Local Therapy for Oligorecurrent and Oligometastatic Esophageal Squamous Cell Carcinoma

Patients with no more than 4 metastases located in less than 3 organs/ lymphatic drainage regions treated with combined systemic therapy and radiation, surgery or radiofrequency.

"1. First-line chemotherapy (previously without chemotherapy), paclitaxel 175mg/m2, d1+cisplatin 25mg/m2, d1-3, repeated every 28 days, intravenous infusion, a total of 4 cycles.~2. If patients have a history of chemotherapy, use a regimen of docetaxel 75mg/m2, d1, intravenous infusion, repeated every 21 days for a total of 4 cycles. If previously use docetaxel but not irinotecan, then use a regimen of irinotecan 180mg/m2, d1, d15, repeated every 28 days for a total of 4 cycles. If both docetaxel and irinotecan have been used, the investigator could decide the chemotherapy regimen.~3. Anti-PD1 antibodies plus chemotherapy could be used as first-line systemic therapy and Anti-PD1 antibodies could be used as second-line therapy."