Noun
MGUS (countable and uncountable, plural MGUSs)
(medicine) Initialism of monoclonal gammopathy of undetermined significance.
The findings, published in Blood Cancer Journal, suggest that the biggest metabolic changes occur with the development of the symptomless condition MGUS and not with the later progression to myeloma. Source: Internet
Myeloma almost always progresses from an apparently benign condition known as 'MGUS', which is especially common in the older population -- as many as 7% of people over the age of 85 have MGUS. Source: Internet