FGFR1 and cancer: Furthermore, FLT1 of LUSC, ITGB1 of DLBC, MDM4, and CDKN1A of ACC, MAPK1, and ERBB3 of UCEC, FGFR1 of ESCA, and EREG and BCL2L1 of COAD have been strongly associated with patient survival in their respective cancers.