Monoclonal gammopathy of undetermined significance (MGUS) is not cancer. There’s a small risk it can become cancer. Out of every 100 people with MGUS, each year, 1 or 2 of them will get cancer from ...

Multiple myeloma is part of the spectrum of diseases ranging from MGUS to plasma cell leukemia, and similar to MGUS, is characterized by proliferation of a plasma cell clone and subsequent ...