title: [A case of three metachronous early malignant tumors of the digestive tract].
mesh_terms: D000230:Adenocarcinoma / Q000601:surgery*; D003110:Colonic Neoplasms / Q000601:surgery*; D006801:Humans; D008223:Lymphoma / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000601:surgery*; D013274:Stomach Neoplasms / Q000601:surgery*