Colorectal carcinoma: before and after operation.
D000970:Antineoplastic Agents / Q000627:therapeutic use; D002272:Carcinoembryonic Antigen / Q000097:blood; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*
D000970:Antineoplastic Agents; D002272:Carcinoembryonic Antigen