Wendler J, Lewis RI, Kutilina A, Knott M, Isbell LK, Valk E, Borchmann P, Heger J-M, Illerhaus G, Schorb E. Pre-phase treatment with rituximab and high-dose methotrexate to re-evaluate eligibility for intensive induction treatment of frail patients with central nervous system lymphoma. Haematologica; https://doi.org/10.3324/haematol.2024.286347 [Early view].