_:vb50956608 . _:vb50956608 . _:vb50956608 "url:https://seer.cancer.gov/seertools/hemelymph/51f6cf5ae3e27c3994bd54aa/"^^ . _:vb50956608 . _:vb50956608 . _:vb50956608 "A multiple myeloma that is characterized by M protein in serum and/or urine and evidence of organ damage related the plasma cell neoplasm."^^ .