Neoadjuvant CCRT With/Without Bevacizumab for Locally Advanced ESCC

Inclusion criteria To be eligible for inclusion, patients must fulfill the following criteria: 1. Histologically proved squamous cell carcinoma of esophagus 2. Locoregional advanced stage III disease, which are defined by Tumor, Nodes, Metastases (TNM) system of American Joint Committee on Cancer (AJCC) Cancer Staging System (7th edition) in 2010, fulfilling one of the following criteria: 1. T1-2 N2-3 M0 2. T3 N1-3 M0 3. Medical fit for curative surgery 4. Age ≥ 20 years 5. Karnofsky Performance Status ≥ 60% 6. Adequate bone marrow reserves within 2 weeks prior to registration, defined as: 1. white blood cells (WBC) ≥ 4,000/µl or neutrophil count (ANC) ≥ 2,000/µl 2. platelets ≥ 100,000/µl 3. hemoglobin ≥ 9.0 g/dl 7. Adequate liver function reserves within 2 weeks prior to registration, defined as: 1. hepatic transaminases ≤ 2.5 x upper limit of normal (ULN) 2. serum total bilirubin ≤ 1.5 x upper limit of normal (ULN) 8. Adequate renal function within 2 weeks prior to registration: Creatinine ≤1.5 mg/dL 9. International normalized ratio (INR) ≤ 1.5 and activated partial thromboplastin time (aPTT) ≤ 1.5 X ULN within 2 weeks prior to registration 10. Women of childbearing potential and male participants must practice adequate contraception 11. Patients must be able to comply with the study protocol and follow-up schedules and provide study-specific informed consent Exclusion criteria Patients fulfill any of the following criteria will be excluded from this trial 1. Prior radiotherapy to head and neck, chest, or abdomen 2. Tumor invasion to adjacent structures (T4 lesion) 3. Presence of distant metastasis 4. Adenocarcinoma of gastroesophageal junction. 5. Synchronously or metachronously diagnosed squamous cell carcinoma of aerodigestive way, other than oesophageal cancer 6. Prior invasive malignancy 7. Severe, active comorbidities which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and adverse events of the protocol, or limit compliance with study requirements, defined as follows: 1. Uncontrolled active infection requiring intravenous antibiotics at the time of registration 2. Transmural myocardial infarction ≤ 6 months prior to registration 3. Unstable angina or congestive heart failure requiring hospitalization ≤ 6 months prior to registration 4. Life-threatening uncontrolled clinically significant cardiac arrhythmias 5. Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects 6. Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration 7. Uncontrolled psychiatric disorder 8. On full-dose anticoagulants (e.g., Warfarin or low molecular weight heparin) or medications known to inhibit platelet function (e.g. aspirin, dipyramidole, ticlopidine, clopidogrel, cilostazol, or NSAIDs) 9. Prior history of hypertensive crisis or blood pressure at baseline \> 150/100 mmHg 10. Hepatic insufficiency resulting in coagulation defects 11. History of a non-healing wound, ulcer, or bone fracture within 90 days (3 months) prior to registration 12. Any hemorrhage/bleeding event CTCAE, ver. 4 grade 3 or greater within 30 days prior to registration 13. Gross hemoptysis or hematemesis (defined as bright red blood of 1 teaspoon or more or frank clots within minimal or no phlegm per coughing episode) within 4 weeks prior to registration; patients with incidental blood mixed with phlegm are not excluded. 14. Major surgical procedure or significant traumatic injury within 28 days prior to registration (with the exception of jejunostomy or port-A insertion) 15. Women of childbearing potential and male participants who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the radiation treatment involved in this study may be significantly teratogenic