Radiotherapy With or Without Concurrent Chemotherapy for Limited Lymphatic Metastasis of Esophageal Cancer - 3JECROG P-02

Inclusion Criteria: * Age\<70 * Diagnosis of clinical stage T2-4N0-1M1（According to UICC 2002） * A untreated squamous esophageal carcinoma * Karnofsky performance status(KPS)≥ 70 and Charlson score ≤3 * Adequate organ function * No known history of drug allergy * Blood routine examination : WBC≥4.0 * hepatic and renal function are normal Exclusion Criteria: * Age≥ 70 or \< 18 * Already received the treatment of chemotherapy or radiotherapy * Pregnant or lactating females * Known drug allergy * Without agreement of informed consent form * Insufficient hepatorenal function or Blood routine examination * Severe cardiovascular diseases, diabetes with uncontrolled blood sugar, mental disorders, uncontrolled severe infection, active ulceration which need intervention.