Plasma miRNAs Predict Radiosensitivity of Different Fractionation Regimes in Palliative Radiotherapy for Advanced Non-small Cell Lung Cancer：Multicenter Controlled Study.(RadmiR-01)

Inclusion Criteria: 1. Pathological histology and/or cytology confirmed NSCLC; 2. Based on AJCC Cancer Staging, IIIA, IIIB, IV lung cancer patients with NSCLC; 3. PS 0-2; 4. Expected survival \> 3 months; 5. Age 18\~75 years old; 6. The function of lung, liver, kidney, bone marrow was normal; 7. The patients had not received radiotherapy for previous primary tumor and metastases; 8. At least accept 2-4 cycles of chemotherapy,not disease progression after chemotherapy,start radiotherapy in two weeks after the last cycle of chemotherapy; 9. Wild-type EGFR; 10. Sensitive mutant EGFR, but refused to targeted therapy; 11. In line with the indications of radiotherapy and accept it; 12. Voluntarily enrolled to participate in,better compliance, cooperate with experimental observations, and sign informed consent. Exclusion Criteria: 1. Vital organs (e.g., heart, liver, kidney) have serious dysfunction; 2. Patients with other malignancies; 3. Patients with a history of autoimmune disease; 4. The patients are pregnant and lactating (Women of childbearing age need to check the pregnancy test); 5. In the activity of acute or chronic infectious diseases; 6. Patients with a clear history of drug allergy or allergic genus; 7. Patients with participating in other clinical trials at the same time; 8. Other cases that researchers believe that patients should not participate in the present trial.