title: Controversies in the treatment of colorectal cancer.
mesh_terms: D002272:Carcinoembryonic Antigen / Q000008:administration & dosage; D003082:Colectomy; D003110:Colonic Neoplasms / Q000532:radiotherapy / Q000601:surgery*; D006801:Humans; D012004:Rectal Neoplasms / Q000532:radiotherapy / Q000601:surgery*
chemical_list: D002272:Carcinoembryonic Antigen