title: [Postoperative long-term chemotherapy combined with immunotherapy in esophageal neoplasms].
mesh_terms: D000328:Adult; D004938:Esophageal Neoplasms / Q000188:drug therapy / Q000601:surgery / Q000628:therapy*; D006801:Humans; D007167:Immunotherapy / Q000379:methods*; D011184:Postoperative Period