[Three cases of sarcomatoid renal adenocarcinoma].
D000230:Adenocarcinoma / Q000473:pathology* / Q000601:surgery; D000328:Adult; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011379:Prognosis