[Primary "sarcomas" and melanomas of the rectum].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma; D008875:Middle Aged; D012004:Rectal Neoplasms; D012509:Sarcoma
I "sarcomi" primitivi e i melanomi del retto.