Primary melanoma of the rectum.
Ahmed
M
M
Buganza
G
G
D000368:Aged; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008545:Melanoma / Q000150:complications* / Q000601:surgery; D012004:Rectal Neoplasms / Q000150:complications* / Q000601:surgery; D012007:Rectum