Different Radiation Dose of Neoadjuvant Chemoradiation for Resectable Thoracic Esophageal Squamous Carcinoma

Inclusion Criteria: Age:18-70 years Histologically verified squamous carcinoma of the thoracic esophagus. Patients with performance status 0-1 according to the Eastern Cooperative Oncology Group (ECOG) scale at the pre CRT evaluation and judges to be fit for surgery at the pre and post CRT evaluations. Tumors should be resectable or potentially resectable and without distant metastasis, as assessed before neoadjuvant CRT, including clinical stage T2-4N0M0 or T1-4N1M0 according to the 6th AJCC system. Joined the study voluntarily and signed informed consent form No surgical contraindications No serious system dysfunction and immuno-deficiency, Adequate organ function including the following: Hemoglobin ≥10 g/dL, Neutrophils (ANC )≥1.5x109/L, platelet count ≥100x 109/L, TBIL\<1.5 x ULN, ALT and AST ≤ 2.5 x ULN, creatinine≤1.5 x ULN Exclusion Criteria: Cervical esophageal cancer (The upper end of the lesion is in the esophagus of the cervical segment). Patients with biopsy (by endoscopic ultrasound, laparoscopy, or laparotomy) proven metastatic supraclavicular or celiac nodes are ineligible. Invasion of the tracheobronchial tree or aorta Tracheoesophageal fistula Concurrent pregnancy or lactation Severe diabetes mellitus with poor blood glucose control History of a second malignancy Patients being unable to undergo esophageal reconstruction with gastric tube, due to prior surgery. Patients undergoing esophageal reconstruction with jejunum. Patients have allergy reaction or contraindications to taxanes.