Regarding uterine serous carcinoma, the proportion of cases showing altered genes was PIK3CA (80%), TP53 (40%), ERBB2 (40%), FBXW7 (40%) and with less representation PPP2R1A (20%) and FGFR2 (20%). The gene discussed is FGFR2; the disease is endometrial serous adenocarcinoma.