FGFR2 and cancer: Moreover, several cancer types mainly had FGFR2 mutations but relatively few amplifications and/or deep deletions, such as UCEC, SKCM, BLCA, LUSC, COADREAD, LUAD, and so on (14.9 vs. 1.7%, 9.9 vs. 0.68%, 2.43 vs. 1.46%, 2.46 vs. 1.23%, 2.69 vs. 0.34%, and 1.94 vs. 0.7%, respectively).