MECOM and liposarcoma: In our study we also noted deleterious mutations in 7 other genes (CTNNB1 (R151H), MECOM (R208C), ZNF536 (T688M), EML4 (W729L), CSMD3 (P627S), PBRM1 (N639K), PPP1R3A (C788Y)) that have also not been described previously in WD/DD liposarcoma.