MED12 and neoplasm: Thus, aimed at the question whether or not the differences are due to secondary genomic gains and losses in addition to the MED12 mutations we used CNV arrays for the analysis of the native tumor samples along with their matching myometrium on four UL (UL 06/1, UL 06/2, UL 07/1, and UL 07/2) with MED12 mutations.