HLA-G and Abnormal renal physiology: had renal dysfunction (n=41, 22% vs. n=5, 14% in MGUS-N; p>0.05), elevated calcium levels (n=6, 3% vs. 0% in MGUS-N; p>0.05), elevated β2-microglobulin levels (n=68, 43% vs. n=12, 39% in MGUS-N; p>0.05), higher levels of lactat dehydrogenase (LDH) (n=33, 18% vs. n=4, 11% in MGUS-N; p>0.05), and a higher incidence of pre- or coexisting second tumors (n=57, 31% vs. n=8, 22% in MGUS-N; p>0.05).