[Primary multiple malignant tumors of the colon and rectum].
D003110:Colonic Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000601:surgery*; D012004:Rectal Neoplasms / Q000601:surgery*; D013274:Stomach Neoplasms / Q000601:surgery*
Purvichno mnozhestveni zlokachestveni tumori na debeloto i pravoto chervo.