A Phase II Study of Toripalimab Combined With Sequential Neoadjuvant Chemoradiotherapy in Patients With Esophageal Squamous Cell Carcinoma

Phase 1: Toripalimab (240mg day1, Q3W\*2cycle) + investigator's choice of clinical conventional chemotherapy; Phase 2: Toripalimab (240mg day1, Q3W\*1cycle) + radiotherapy (intensity modulated radiotherapy, 40Gy/20F, 2Gy/F); Surgery was performed 4-6 weeks after completion, and subsequent treatment options were considered after surgery according to MDT discussion.