“P128 | Beyond Thresholds: Hyperviscosity Syndrome in Waldenström’s Macroglobulinemia - A Case Report: B.A.L. Rocca1, S. Tunnera2, B. Matilde2, M.C. Vinci3, M.L. Imbalzano3, V. Vannucchi3, B.M.A. Cimolato3 | 1AUO Careggi, Firenze, 2AUO Careggi, Firenze, 3Santa Maria Nuova, Firenze, Italy”. Italian Journal of Medicine, vol. 19, no. s1, Aug. 2025, https://doi.org/10.4081/itjm.2025.2324.