Older patients with esophageal cancer are universally intolerant to chemotherapy.~This study is performed to explore a non-chemotherapy strategy for elderly esophageal cancer patients.~Participants will be treated with Toripalimab monoclonal antibody maintenance versus S-1 combined with radiotherapy, intended to explore the efficacy and safety of non-chemotherapy strategy for elderly esophageal cancer patients.
The goal of this clinical trial is to explore the therapeutic efficacy of immune checkpoint inhibitors combined with radical radiotherapy in elderly patients with esophageal cancer.