A subset of the cases (11 LMS and 16 UPS; Table 1) was evaluated by qPCR to confirm the gains at 1q21.1-q21.2 (ARNT), 1q21.3 (PBXIP1 and SCL27A3), and 11q13.2-q13.3 (CCND1). This evidence concerns the gene PBXIP1 and undifferentiated pleomorphic sarcoma.