TREATMENT STRATEGIES AND PROGNOSTIC FACTORS OF PRIMARY GASTRIC DIFFUSE LARGE B CELL LYMPHOMA: A RETROSPECTIVE STUDY OF 303 CASES FROM CHINA LYMPHOMA PATIENT REGISTRY. (June 2017) - Song, Y.; Cen, X.; Yang, H.; Wu, M.; Shen, Y.; Lei, T.; Leng, X.; Ping, L.; Xie, Y.; Zhu, J.