Carcinoma of the fossa navicularis of the male urethra.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010413:Penis / Q000601:surgery*; D014523:Urethral Neoplasms / Q000175:diagnosis / Q000601:surgery*