is mgus considered cancer
Monoclonal gammopathy of. undetermined significance (MGUS) is an asymptomatic condition in which there is a presence of. an abnormal M protein in the blood. It is not a blood cancer, and most people with MGUS do. not ever develop a blood cancer. However it is important that the condition be monitored, since increasing levels of this protein in addition to other tests may indicate a risk of. progression to smoldering myeloma, myeloma, lymphoma, light-chain amyloidosis or.