JAMA Review on Dx & Rx of Monoclonal Gammopathy of Undetermined Significance. MGUS has NO Sxs or organ damage. MGUS & Dz associations (OP, Autoimmune) were likely overestimated; M protein testing should be done if malignancy or MGCS is suspected. Risk of progression to malignancy… https://t.co/Jikc5q3BJL https://t.co/hxhcD4bJ2X