[Melanoma of the rectum in late middle-aged patients].
D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000453:epidemiology*; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000453:epidemiology*; D014455:Ukraine
Melanoma priamoĭ kishki u bol'nykh pozhilogo vozrasta.