Multiple myeloma and multiple neoplasms.
D000368:Aged; D006801:Humans; D007109:Immunity / Q000187:drug effects; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008558:Melphalan / Q000009:adverse effects / Q000627:therapeutic use; D009101:Multiple Myeloma / Q000188:drug therapy / Q000276:immunology*; D009378:Neoplasms, Multiple Primary / Q000276:immunology*
D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008558:Melphalan