CTNNB1 and gastrointestinal stromal tumor: These were 7 tests for h-caldesmon (for leiomyosarcoma), 3 CDK4 (for WDL/DDL), 2 DOG1 (for GIST), 2 beta-catenin (for fibromatosis), 1 each of CD34 (DFSP), desmin, myogenin (rhabdomyosarcoma (RMS)), p63 (sarcomatoid carcinoma), PSAP (prostatic carcinoma), and TLE1 (synovial sarcoma).