title: Letter: Immunotherapy for colorectal cancer.
mesh_terms: D001500:BCG Vaccine / Q000627:therapeutic use*; D003110:Colonic Neoplasms / Q000150:complications / Q000628:therapy*; D005069:Evaluation Studies as Topic; D005472:Fluorouracil / Q000627:therapeutic use; D006801:Humans; D012004:Rectal Neoplasms / Q000150:complications / Q000628:therapy*
chemical_list: D001500:BCG Vaccine; D005472:Fluorouracil