Cytological screening of the urethra.
D002648:Child; D003558:Cystoscopy; D003581:Cytodiagnosis; D006801:Humans; D008297:Male; D008722:Methods; D014521:Urethra / Q000473:pathology*; D014523:Urethral Neoplasms / Q000175:diagnosis / Q000453:epidemiology; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis*