Chu-Po Lin

Extracranial Carotid Artery Disease: Risk Factors and Outcomes in Patients With Acute Critical Hemispheric Ischemic Stroke.

Safety and efficacy of oral febuxostat for treatment of HLA-B*5801-negative gout: a randomized, open-label, multicentre, allopurinol-controlled study.

Negative pressure wound therapy for the management of flaps with venous congestion.

Overweight and obesity predict better overall survival rates in cancer patients with distant metastases.

Overexpression of lipocalin 2 in human cervical cancer enhances tumor invasion.

Correlation between zoledronic acid infusion and repeat vertebroplasty surgery in osteoporotic patients.

The effects of prenatal genetic analysis on fetuses born to carrier mothers with primary immunodeficiency diseases.

An Ultra-Deep Targeted Sequencing Gene Panel Improves the Prognostic Stratification of Patients With Advanced Oral Cavity Squamous Cell Carcinoma.

Venovenous Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome in Adults: Prognostic Factors for Outcomes.

Impact of the HLA-B(*)58:01 Allele and Renal Impairment on Allopurinol-Induced Cutaneous Adverse Reactions.

Predictors of re-bleeding after endoscopic hemostasis for delayed post-endoscopic sphincterotomy bleeding.

Incidence and Outcomes of Patients With Oral Cavity Squamous Cell Carcinoma and Fourth Primary Tumors: A Long-term Follow-up Study in a Betel Quid Chewing Endemic Area.

The joint effects of arsenic and risk diplotypes of insulin-like growth factor binding protein-3 in renal cell carcinoma.

CD4 down regulation and raft dissociation by the non-depleting YTS177 antibody hinder murine T helper cell activities.

Inhibition of Src and forkhead box O1 signaling by induced pluripotent stem-cell therapy attenuates hyperoxia-augmented ventilator-induced diaphragm dysfunction.

Heparin interacts with the adhesion GPCR GPR56, reduces receptor shedding, and promotes cell adhesion and motility.

Induction chemotherapy with dose-modified docetaxel, cisplatin, and 5-fluorouracil in Asian patients with borderline resectable or unresectable head and neck cancer.

Predictors for postoperative esophageal stricture after balloon-based radiofrequency ablation for early esophageal squamous neoplasia: a multicenter validation study.

Severe Hyponatremia Secondary to Peripherally Inserted Central Catheter in a Neonate.

Utility of (18)F-FDG PET/CT in patients with advanced squamous cell carcinoma of the uterine cervix receiving concurrent chemoradiotherapy: a parallel study of a prospective randomized trial.

Interactive effects of C-reactive protein levels on the association between APOE variants and triglyceride levels in a Taiwanese population.

Residual Gastric Volume After Bowel Preparation With Polyethylene Glycol for Elective Colonoscopy: A Prospective Observational Study.

Missense mutations in the TP53 DNA-binding domain predict outcomes in patients with advanced oral cavity squamous cell carcinoma.

Outcomes and prognostic factors for surgery followed by modern radiation therapy in parotid gland carcinomas.

Potential Diagnostic, Prognostic and Therapeutic Targets of MicroRNAs in Human Gastric Cancer.

Clinical manifestations, course, and outcome of patients with neutralizing anti-interferon-γ autoantibodies and disseminated nontuberculous mycobacterial infections.

Venovenous extracorporeal membrane oxygenation in adult respiratory failure: Scores for mortality prediction.

Simple obstructive sleep apnea patients without hypertension or diabetes accelerate kidney dysfunction: a population follow-up cohort study from Taiwan.

Evaluation of cerebral blood flow in acute ischemic stroke patients with atrial fibrillation: A sonographic study.

Stress-induced phosphoprotein-1 maintains the stability of JAK2 in cancer cells.

Iohexol oral rinse to differentiate the palatoglossal surfaces in computed tomography of patients with obstructive sleep apnoea.

Implication of genomic characterization in synchronous endometrial and ovarian cancers of endometrioid histology.

Identification of a major epitope by anti-interferon-γ autoantibodies in patients with mycobacterial disease.

Nucleophosmin/B23 is a negative regulator of estrogen receptor α expression via AP2γ in endometrial cancer cells.

Nationwide epidemiology and prognosis of dialysis-requiring acute kidney injury (NEP-AKI-D) study: Design and methods.

Clues toward precision medicine in oral squamous cell carcinoma: utility of next-generation sequencing for the prognostic stratification of high-risk patients harboring neck lymph node extracapsular extension.

Sterilizing immunity to influenza virus infection requires local antigen-specific T cell response in the lungs.

Thyroid hormone suppresses hepatocarcinogenesis via DAPK2 and SQSTM1-dependent selective autophagy.

Azithromycin modulates immune response of human monocyte-derived dendritic cells and CD4 T cells.

A nationwide survey of clinical characteristics, management, and outcomes of acute kidney injury (AKI) - patients with and without preexisting chronic kidney disease have different prognoses.

Endoscopic Submucosal Dissection of Superficial Esophageal Neoplasms Is Feasible and Not Riskier for Patients with Liver Cirrhosis.

Predictors of Suboptimal Bowel Preparation Using 3-l of Polyethylene Glycol for an Outpatient Colonoscopy: A Prospective Observational Study.

GPR56/ADGRG1 Activation Promotes Melanoma Cell Migration via NTF Dissociation and CTF-Mediated Gα12/13/RhoA Signaling.

Effect of Interleukin-15 on CD11b, CD54, and CD62L Expression on Natural Killer Cell and Natural Killer T-Like Cells in Systemic Lupus Erythematosus.

Association of Arsenic Methylation Capacity with Developmental Delays and Health Status in Children: A Prospective Case-Control Trial.

Clinical Outcomes of Taiwanese Patients with cT4 Oral Cavity Squamous Cell Carcinoma: Toward the Identification of the Optimal Initial Treatment Approach for cT4b Patients.

Increased EMR2 expression on neutrophils correlates with disease severity and predicts overall mortality in cirrhotic patients.

A noninterventional observational registry of patients with multiple myeloma treated with lenalidomide in Taiwan.

Disseminated Cryptococcosis Due to Anti-Granulocyte-Macrophage Colony-Stimulating Factor Autoantibodies in the Absence of Pulmonary Alveolar Proteinosis.

Cortical inhibitory and excitatory function in drug-naive generalized anxiety disorder.

Association between the diagnosis-to-treatment interval and overall survival in Taiwanese patients with oral cavity squamous cell carcinoma.

Association between NF-κB Pathway Gene Variants and sICAM1 Levels in Taiwanese.

Pulsed alexandrite laser for treatment of melasma in Asian patients.

An elective radiation dose of 46 Gy is feasible in nasopharyngeal carcinoma treated by intensity-modulated radiotherapy: A long-term follow-up result.

Exposure to tobacco smoke and childhood rhinitis: a population-based study.

Trichostatin A attenuates ventilation-augmented epithelial-mesenchymal transition in mice with bleomycin-induced acute lung injury by suppressing the Akt pathway.

Relation of polymorphism of arsenic metabolism genes to arsenic methylation capacity and developmental delay in preschool children in Taiwan.

Association of blood heavy metals with developmental delays and health status in children.

Beta-amyloid deposition in patients with major depressive disorder with differing levels of treatment resistance: a pilot study.

Biodistribution and Radiation Dosimetry for the Tau Tracer F-THK-5351 in Healthy Human Subjects.

Comparative clinical outcomes of Taiwanese patients with resected buccal and tongue squamous cell carcinomas.

Heart failure modulates electropharmacological characteristics of sinoatrial nodes.

Obesity disproportionately impacts lung volumes, airflow and exhaled nitric oxide in children.

Clear cell carcinomas of the ovary have poorer outcomes compared with serous carcinomas: Results from a single-center Taiwanese study.

What should we expect from robotic surgery for second primary oropharyngeal cancer?

Thyroid hormone protects hepatocytes from HBx-induced carcinogenesis by enhancing mitochondrial turnover.

Is There a Preinterventional Mechanical Ventilation Time Limit for Candidates of Adult Respiratory Extracorporeal Membrane Oxygenation.

Massively parallel sequencing and genome-wide copy number analysis revealed a clonal relationship in benign metastasizing leiomyoma.

Clinical impact of PET/CT imaging after adjuvant therapy in patients with oral cavity squamous cell carcinoma.

Nintedanib reduces ventilation-augmented bleomycin-induced epithelial-mesenchymal transition and lung fibrosis through suppression of the Src pathway.

Therapeutic Outcomes of Patients with Multifocal Papillary Thyroid Microcarcinomas and Larger Tumors.

Delayed-type hypersensitivity reactions induced by proton pump inhibitors: A clinical and in vitro T-cell reactivity study.

High levels of soluble GPR56/ADGRG1 are associated with positive rheumatoid factor and elevated tumor necrosis factor in patients with rheumatoid arthritis.

Localised longitudinal erythronychia caused by subungual capillary hemangioma.

The polymorphism XRCC1 Arg194Trp and 8-hydroxydeoxyguanosine increased susceptibility to arsenic-related renal cell carcinoma.

Growth Differentiation Factor 15 May Predict Mortality of Peripheral and Coronary Artery Diseases and Correlate with Their Risk Factors.

A GDF15 3' UTR variant, rs1054564, results in allele-specific translational repression of GDF15 by hsa-miR-1233-3p.

Dose-escalated radiation therapy is associated with better overall survival in patients with bone metastases from solid tumors: a propensity score-matched study.

Acquisition and clearance of multidrug resistant Acinetobacter baumannii on healthy young adults concurrently burned in a dust explosion in Taiwan: the implication for antimicrobial stewardship.

Evidence-based Review on the Use of Proton Therapy in Lymphoma From the Particle Therapy Cooperative Group (PTCOG) Lymphoma Subcommittee.

Long-acting β2-adrenoreceptor agonists suppress type 1 interferon expression in human plasmacytoid dendritic cells via epigenetic regulation.

Priming With 1-Hz Repetitive Transcranial Magnetic Stimulation Over Contralesional Leg Motor Cortex Does Not Increase the Rate of Regaining Ambulation Within 3 Months of Stroke: A Randomized Controlled Trial.

Lysine-specific demethylase 1 (LSD1) destabilizes p62 and inhibits autophagy in gynecologic malignancies.

Reply to "Obstructive sleep apnea patients without hypertension or diabetes and subsequent incidence of chronic kidney disease" by Kawada (letter to the editor).

Comparison of positron emission tomography/computed tomography and magnetic resonance imaging for posttherapy evaluation in patients with advanced cervical cancer receiving definitive concurrent chemoradiotherapy.

Elucidating the pathogenesis of synchronous and metachronous tumors in a woman with endometrioid carcinomas using a whole-exome sequencing approach.

Obstructive Sleep Apnea Independently Increases the Incidence of Heart Failure and Major Adverse Cardiac Events: A Retrospective Population-Based Follow-Up Study.

Developing and validating a multivariable prediction model to improve the diagnostic accuracy in determination of cervical versus endometrial origin of uterine adenocarcinomas: A prospective MR study combining diffusion-weighted imaging and spectroscopy.

The impacts of baseline ventilator parameters on hospital mortality in acute respiratory distress syndrome treated with venovenous extracorporeal membrane oxygenation: a retrospective cohort study.

Association between changes in body fat and disease progression after breast cancer surgery is moderated by menopausal status.

The assessment of Buerger's exercise on dorsal foot skin circulation in patients with vasculopathic diabetic foot ulcer by using wireless near-infrared spectroscope: a cohort prospective study.

Predictors of hospital mortality in adult trauma patients receiving extracorporeal membrane oxygenation for advanced life support: a retrospective cohort study.

Plasma Aβ analysis using magnetically-labeled immunoassays and PET F-florbetapir binding in non-demented patients with major depressive disorder.

The Function of HLA-B*13:01 Involved in the Pathomechanism of Dapsone-Induced Severe Cutaneous Adverse Reactions.

Serum complement factor I is associated with disease activity of systemic lupus erythematosus.

The Medication Risk of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis in Asians: The Major Drug Causality and Comparison With the US FDA Label.

Neurocognition, sleep, and PET findings in type 2 vs type 1 narcolepsy.

Pretreatment subcutaneous adipose tissue predicts the outcomes of patients with head and neck cancer receiving definitive radiation and chemoradiation in Taiwan.

Combined Immunotherapy (OK-432, IL-2) With Chemotherapy Decrease the Recurrence Rate in Advanced Ovarian Cancer.

Adiponectin gene polymorphisms and obesity increase the susceptibility to arsenic-related renal cell carcinoma.

A split-face study: comparison of picosecond alexandrite laser and Q-switched Nd:YAG laser in the treatment of melasma in Asians.

2018 Expert Consensus on the Management of Adverse Effects of Antiplatelet Therapy for Acute Coronary Syndrome in Taiwan.

Multiple sleep latency test in narcolepsy type 1 and narcolepsy type 2: A 5-year follow-up study.

Immunomodulation Effects of Briq. on the IgE-Induced Allergic Model of RBL-2H3 Cells.

Alterations of the levels of primary antioxidant enzymes in different grades of human astrocytoma tissues.

Inter-cortical modulation from premotor to motor plasticity.

Polymorphisms of TNF- -308 G/A and IL-8 -251 T/A Genes Associated with Urothelial Carcinoma: A Case-Control Study.

Maintenance of multidomain neurocognitive functions in pediatric patients after proton beam therapy: A prospective case-series study.

Targeted Sequencing of Circulating Tumor DNA to Monitor Genetic Variants and Therapeutic Response in Metastatic Colorectal Cancer.

2018 Guidelines of the Taiwan Society of Cardiology, Taiwan Society of Emergency Medicine and Taiwan Society of Cardiovascular Interventions for the management of non ST-segment elevation acute coronary syndrome.

Presurgical Identification of Uterine Smooth Muscle Malignancies through the Characteristic FDG Uptake Pattern on PET Scans.

Corrigendum to The polymorphism XRCC1 Arg194Trp and 8-hydroxydeoxyguanosine increased susceptibility to arsenic-related renal cell carcinoma. Toxicology and Applied Pharmacology 332 (2017) 1-7.

Prognostic model based on magnetic resonance imaging, whole-tumour apparent diffusion coefficient values and HPV genotyping for stage IB-IV cervical cancer patients following chemoradiotherapy.

Harvested vs estimated follicular units in hair transplantation.

Priming With Intermittent Theta Burst Transcranial Magnetic Stimulation Promotes Spinal Plasticity Induced by Peripheral Patterned Electrical Stimulation.

Periorbital erythema and swelling as a presenting sign of lupus erythematosus in tertiary referral centers and literature review.

Survival predictors in elderly patients with acute respiratory distress syndrome: a prospective observational cohort study.

Clinical features and outcomes of gastric neuroendocrine tumors after endoscopic diagnosis and treatment: A Digestive Endoscopy Society of Tawian (DEST).

HLA Alleles and CYP2C9*3 as Predictors of Phenytoin Hypersensitivity in East Asians.

Smoking and Hepatitis B Virus-Related Hepatocellular Carcinoma Risk: The Mediating Roles of Viral Load and Alanine Aminotransferase.

Thyroid hormone negatively regulates tumorigenesis through suppression of BC200.

Serum asprosin levels and bariatric surgery outcomes in obese adults.

Radiofrequency ablation following artificial ascites and pleural effusion creation may improve outcomes for hepatocellular carcinoma in high-risk locations.

Atrial fibrillation and electrophysiology in transgenic mice with cardiac-restricted overexpression of FKBP12.

Metabolic Volumetric Parameters in C-Choline PET/MR Are Superior PET Imaging Biomarkers for Primary High-Risk Prostate Cancer.

Genomic landscape and evolutionary trajectories of ovarian cancer precursor lesions.

The Efficacy and Safety of a Fixed Combination of Chinese Herbal Medicine in Chronic Urticaria: A Randomized, Double-Blind, Placebo-Controlled Pilot Study.

The role of 5-methoxytryptophan in pediatric-onset lupus nephritis: A retrospective cohort study.

Comparison of polyp detection during both insertion and withdrawal versus only withdrawal of colonoscopy: A prospective randomized trial.

Unilateral renal artery stenosis presented with hyponatremic-hypertensive syndrome - case report and literature review.

Syrian rue seeds interacted with acacia tree bark in an herbal stew resulted in N,N-dimethyltryptamine poisoning.

Circulating Chemerin Levels, but not the Polymorphisms, Predict the Long-Term Outcome of Angiographically Confirmed Coronary Artery Disease.

A Randomized Clinical Efficacy Trial of Red Yeast Rice (Monascus pilosus) Against Hyperlipidemia.

Serum indoxyl sulfate predicts adverse cardiovascular events in patients with chronic kidney disease.

Trends and prescription patterns of traditional Chinese medicine use among subjects with allergic diseases: A nationwide population-based study.

Aryl hydrocarbon receptor agonist indigo protects against obesity-related insulin resistance through modulation of intestinal and metabolic tissue immunity.

The Prognostic Roles of Pretreatment Circulating Tumor Cells, Circulating Cancer Stem-Like Cells, and Programmed Cell Death-1 Expression on Peripheral Lymphocytes in Patients with Initially Unresectable, Recurrent or Metastatic Head and Neck Cancer: An Exploratory Study of Three Biomarkers in One-time Blood Drawing.

Sequential cetuximab/bevacizumab therapy is associated with improved outcomes in patients with wild-type KRAS exon 2 metastatic colorectal cancer.

Author Correction: Plasma Aβ analysis using magnetically-labeled immunoassays and PET F-florbetapir binding in non-demented patients with major depressive disorder.

Immunotherapy with Subcutaneous Injection of Immunomodulatory Agent (OK-432) Elicits Durable Response in Locally Advanced or Relapsed Cervical Cancer.

Induction of nuclear protein-1 by thyroid hormone enhances platelet-derived growth factor A mediated angiogenesis in liver cancer.

Percutaneous Balloon Kyphoplasty and Short Instrumentation Compared with Traditional Long Instrumentation for Thoracolumbar Metastatic Spinal Cord Compression.

The efficacy and safety of concentrated herbal extract granules, YH1, as an add-on medication in poorly controlled type 2 diabetes: A randomized, double-blind, placebo-controlled pilot trial.

Incorporation of biochemical factors for survival analysis of transarterial chemoembolization in patients with hepatocellular carcinoma: A retrospective cohort study.

Generalized tetanus.

An in situ slow-releasing HS donor depot with long-term therapeutic effects for treating ischemic diseases.

Enterovirus 71 seroepidemiology in Taiwan in 2017 and comparison of those rates in 1997, 1999 and 2007.

Deep learning for fully automated tumor segmentation and extraction of magnetic resonance radiomics features in cervical cancer.

Incorporation of Astragalus polysaccharides injection during concurrent chemoradiotherapy in advanced pharyngeal or laryngeal squamous cell carcinoma: preliminary experience of a phase II double-blind, randomized trial.

Risk factors for complications of percutaneous ultrasound-guided renal biopsy in children.

Management and clinical outcomes of patients with recurrent/progressive ovarian clear cell carcinoma.

MiR-23~27~24-mediated control of humoral immunity reveals a TOX-driven regulatory circuit in follicular helper T cell differentiation.

Clinical features, genetic background, and outcome in infants with urinary tract infection and type IV renal tubular acidosis.

Genetic risk of extranodal natural killer T-cell lymphoma: a genome-wide association study in multiple populations.

Functional human brain connectivity during labor and its alteration under epidural analgesia.

Efficacy and safety of the picosecond 755-nm alexandrite laser for treatment of dermal pigmentation in Asians-a retrospective study.

Surgical outcomes of elderly patients aged more than 80 years with distal radius fracture: comparison of external fixation and locking plate.

A Simplified Screening Questionnaire for Detecting Severe OSA in Chronic Obstructive Airway Disease in Asian Population.

Phenotypic and functional characterization of natural killer cells in rheumatoid arthritis-regulation with interleukin-15.

A preliminary study of Parkinson's gene therapy via sono-magnetic sensing gene vector for conquering extra/intracellular barriers in mice.

Maintenance of multi-domain neurocognitive functions in patients with newly-diagnosed primary CNS lymphoma after primary cranial radiotherapy combined with methotrexate-based chemotherapy: A preliminary case-series study.

The correspondence of 3D supporting bone loss and crown-to-root ratio to periodontitis classification.

Differential hypermethylation of the VTRNA2-1 promoter in hepatocellular carcinoma as a prognostic factor: Tumor marker prognostic study.

Genetic analysis of a Taiwanese family identifies a DMRT3-OAS3 interaction that is involved in human sexual differentiation through the regulation of ESR1 expression.

Using Mobile Electroencephalography and Actigraphy to Diagnose Attention-Deficit/Hyperactivity Disorder: Case-Control Comparison Study.

Comprehensive genomic profiling reveals ubiquitous KRAS mutations and frequent PIK3CA mutations in ovarian seromucinous borderline tumor.

Neuronavigation-guided focused ultrasound (NaviFUS) for transcranial blood-brain barrier opening in recurrent glioblastoma patients: clinical trial protocol.

A Multifunctional Microfluidic Device for Blood Typing and Primary Screening of Blood Diseases.

Whole genome sequencing identifies genetic variants associated with co-trimoxazole hypersensitivity in Asians.

The potential role of pneumococcal conjugate vaccine in reducing acute respiratory inflammation in community-acquired pneumococcal pneumonia.

Fixed-dose combination of amlodipine and atorvastatin improves clinical outcomes in patients with concomitant hypertension and dyslipidemia.

Predictors of Intravesical Recurrence After Radical Nephroureterectomy and Prognosis in Patients with Upper Tract Urothelial Carcinoma.

How do osteotomy and distraction affect distraction angles of opening wedge high tibial osteotomy?

Longitudinal change of metabolite profile and its relation to multiple risk factors for the risk of developing hepatitis B-related hepatocellular carcinoma.

Metabolomic differences of exhaled breath condensate among children with and without asthma.

Prognostic significance of dynamic changes in lymphocyte-to-monocyte ratio in patients with head and neck cancer treated with radiotherapy: results from a large cohort study.

What is the impact of the COVID-19 pandemic on emergency medicine residency training: an observational study.

Detecting Lesional Granulysin Levels for Rapid Diagnosis of Cytotoxic T lymphocyte-Mediated Bullous Skin Disorders.

Autosomal Recessive Renal Tubular Dysgenesis Caused by a Founder Mutation of Angiotensinogen.

How do lateral hinge and distraction affect three-dimensional rotation in open wedge high tibial osteotomy?

A Case of Paratubal Serous Borderline Tumor Driven by a Somatic BRAF Mutation in an Adolescent Patient.

Risk of colonoscopy-related complications in a fecal immunochemical test-based population colorectal cancer screening program.

Abemaciclib, A Selective CDK4/6 Inhibitor, Restricts the Growth of Pediatric Ependymomas.

Prognostic effect of high-density lipoprotein cholesterol level in patients with atherosclerotic cardiovascular disease under statin treatment.

Prognostic significance of the preoperative systemic immune-inflammation index in patients with oral cavity squamous cell carcinoma treated with curative surgery and adjuvant therapy.

Water Extract Ameliorates Airway Hyperresponsiveness and Eosinophil Infiltration by Reducing Oxidative Stress and Th2 Cytokine Production in a Mouse Asthma Model.

Mir-573 regulates cell proliferation and apoptosis by targeting Bax in human degenerative disc cells following hyperbaric oxygen treatment.

Residential greenness and birth outcomes: Evaluating the mediation and interaction effects of particulate air pollution.

Prognostic Factors and Clinical Features of Neonatal Splenic Rupture/Hemorrhage: Two Cases Reports and Literature Review.

Genetic study of young-onset dementia using targeted gene panel sequencing in Taiwan.

Clinical consequences of head and neck free-flap reconstructions in the DM population.

Oscillatory behavior of microbubbles impacts efficacy of cellular drug delivery.

Bintrafusp Alfa, a Bifunctional Fusion Protein Targeting TGFβ and PD-L1, in Patients with Esophageal Squamous Cell Carcinoma: Results from a Phase 1 Cohort in Asia.

Clinical predictors for biochemical failure in patients with positive surgical margin after robotic-assisted radical prostatectomy.

Effect of Hydrocortisone on Angiotensinogen () Mutation-Causing Autosomal Recessive Renal Tubular Dysgenesis.

Age, gender, height and weight in relation to joint cartilage thickness among school-aged children from ultrasonographic measurement.

Clinical outcomes of Taiwanese patients with resected squamous cell carcinoma of the upper and lower gum.

Prognostic stratification of patients with AJCC 2018 pStage IVB oral cavity cancer: Should pT4b and pN3 disease be reclassified?

Acquired epidermodysplasia verruciformis or generalized verrucosis? A clinical and virological comparative study.

IVIM Parameters on MRI Could Predict ISUP Risk Groups of Prostate Cancers on Radical Prostatectomy.