CA9 and neoplasm: All other markers (WT-1, desmin, myogenin, myogenic differentiation 1(MyoD1), carbonic anhydrase IX(CAIX), CD34, CD56, chromogranin A (CgA), synaptophysin (Syn), GATA binding protein 3 (GATA-3), CD10, CK5/6, P63, CD117, P504s, transcription factor binding to IGHM enhancer 3 (TFE-3), S-100, HMB45, MelanA, CD38, and CD138) were not expressed in the tumor cells.