Urethral tumor detected four years after sigmoidectomy. (a) Cystoscopy demonstrated papillary tumor of approximate 7 mm in the urethral wall of the distal-potion from the urethral sphincter. (b) Cystoscopy demonstrated scar of the transurethral resection without recurrence of the tumor. (c) CT-scan imaging showed the small mass of bulbous portion of urethra (white arrow). (d) CT-scan imaging showed the total disappearance of urethral metastasis.