RATIONALE: Collecting and storing samples of blood and bone marrow from patients with cancer to study in the laboratory may help doctors find better ways to ways to treat the cancer. PURPOSE: The purpose of this study is to collect and store blood and bone marrow samples from patients with multiple myeloma, smoldering myeloma, Waldenstrom's macroglobulinemia, amyloidosis, and monoclonal gammopathy of undetermined significance to be tested in the laboratory.
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Maintenance and expansion of tissue repositories of myeloma specimens from uniformly treated SWOG patients with multiple myeloma, smoldering myeloma, Waldenstrom's macroglobulinemia, amyloidosis, or monoclonal gammopathy of undetermined significance
Timeframe: 7 years
Development of new and more effective treatment regimens for these patients using scientific information generated from intergroup and collaborative studies
Timeframe: 7 years