title: [Waldenstron's macroglobulinemia. (2 cases of symptomatic extended evolution)].
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D008258:Waldenstrom Macroglobulinemia
vernacular_title: Macroglobulinemia de Waldenström. (2 casos de larga evolución sintomática)