Chlorambucil or Fludarabine as First-Line Therapy in Treating Patients With Previously Untreated Waldenström Macroglobulinemia, Splenic Lymphoma, or Lymphoplasmacytic Lymphoma

Chlorambucil or Fludarabine as First-Line Therapy in Treating Patients With Previously Untreated Waldenström Macroglobulinemia, Splenic Lymphoma, or Lymphoplasmacytic Lymphoma