Successful Treatment of Gastrosplenic Fistula Arising from Diffuse Large B-Cell Lymphoma with Chemotherapy: Two Case Reports. - Saito, Makoto; Miyashita, Kencho; Miura, Yosuke; Harada, Shinpei; Ogasawara, Reiki; Izumiyama, Koh; Mori, Akio; Tanaka, Masanori; Morioka, Masanobu; Kondo, Takeshi (Case Reports in Oncology, 2019)