A prognostic index predicting survival in transformed Waldenström macroglobulinemia
Histological transformation Skinning into diffuse large B-cell lymphoma is a rare complication in patients with Waldenström macroglobulinemia (WM) and is usually associated with a poor prognosis.The objective of this study was to develop and validate a prognostic index for survival of patients with transformed WM.Through this multicenter, internat