A Prognostic Model Incorporating Age and Systemic Inflammation Response Index for Primary CNS Lymphoma. - Matsuda, Ryosuke; Okuda, Takeshi; Yoshioka, Hiromasa; Yamada, Kengo; Morimoto, Takayuki; Nakazawa, Tsutomu; Hayami, Hiromichi; Maeoka, Ryosuke; Yokoyama, Shohei; Nakagawa, Ichiro (Current Oncology, 2026)