title: Monoclonal gammopathy (IgG) with secondary polycythemia.
mesh_terms: D000328:Adult; D006801:Humans; D006942:Hypergammaglobulinemia / Q000150:complications*; D007074:Immunoglobulin G; D008297:Male; D011086:Polycythemia / Q000150:complications*
chemical_list: D007074:Immunoglobulin G