- Histologically confirmed esophageal squamous carcinoma, Unresectable recurrent or metastatic disease,no prior palliative chemotherapy; No prior radiotherapy except radiotherapy at non-target lesion of the study more than 3 months,recurrence from last adjuvant chemotherapy or adjuvant radiotherapy should be longer than 6 months; no prior treatment of paclitaxel as adjuvant chemotherapy, total dose of cisplatin is less than 300mg/m2 if used in adjuvant chemotherapy