%0 Journal Article %T Stereotactic body radiation therapy and thymosin alpha-1-induced anti-tumor effects in heavily pretreated, metastatic esophageal squamous cell carcinoma patients %A Dexi Du %A Hui Dai %A Peng Chen %A Shixiu Wu %A Tao Song %A Zhao Jing %J Archive of "Oncoimmunology". %D 2018 %R 10.1080/2162402X.2018.1450128 %K Esophageal squamous cell carcinoma %K Stereotactic body radiation therapy %K Thymosin alpha-1 %K Immunotherapy %K Synergistic effect %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6136866/