In addition, in the reactive plasmacytosis group, 4 of the 7 samples were positive for SRRM2 expression on normal plasma cells, with a positive rate of 57.1%; 6 of the 8 samples in other plasma cell disorders were positive for SRRM2 expression on aberrant plasma cells, with a positive rate of 75%. The gene discussed is SRRM2; the disease is plasma cell neoplasm.