Real world outcomes and prognostic factors in Chinese patients with primary mediastinal B cell lymphoma: A single center experience and the Surveillance, Epidemiology, and End Results validation. - Wang B; Chen R; Wang H; Qiu T; Liang Z; Cao L; Zhu H; Xu W; Fan L; Li J; Miao Y; Xia Y (Annals of hematology, 2026)