An Organ Preservation Strategies After Chemoradiotherapy Combined With Immunotherapy for Esophageal Cancer (PALACE3).

"Arm 1 patients will undergo clinical response evaluations (CREs) after neoadjuvant therapy(A+B+C）, If cancer is detected, surgery will be performed. Patients with clinical complete response （cCR） are eligible for active surveillance where regular CREs are performed to detect regrowth of cancer.Postoperative adjuvant therapy will follow the NCCN guideline.~A: Camrelizumab 200mg IV on days 1 and 22 B: Carboplatin (AUC=2) IV and Paclitaxel-albumin (50mg/m²) IV on day 1,8,15,22,29.~C: Radiotherapy will start on day 1 of chemotherapy. A total of 41.4 Gy, 23 fractions of 1.8 Gy, 5 fractions a week.~A+B+C=Neoadjuvant therapy"

"Arm 2 patients will undergo surgery after neoadjuvant therapy(B+C）.Postoperative adjuvant therapy will follow the NCCN guideline.~B: Carboplatin (AUC=2) IV and Paclitaxel-albumin (50mg/m²) IV on day 1,8,15,22,29.~C: Radiotherapy will start on day 1 of chemotherapy. A total of 41.4 Gy, 23 fractions of 1.8 Gy, 5 fractions a week."