Melanoma of the rectum.
D000328:Adult; D000368:Aged; D001706:Biopsy; D003125:Colostomy; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery