MED15 and neoplasm: Regarding molecular rearrangements, among the neoplasms with available data, the SFPQ/PSF::TFE3 fusion was the most frequent genetic alteration found (14 cases, 74%) (Figure 5B) [79], followed by ASPL/ASPSCR1::TFE3 (3 cases, 16%) [78], RBM10::TFE3 (1 case, 5%) [83], and MED15:TFE3 (1 case, 5%) [84].