FGFR4 and cutaneous melanoma: Further, through the GEPIA database (Supplementary Table 1), in cutaneous melanoma, we examined the association between the ERBBs and 31 genes were close to each other and frequently altered and observed that all the genes except KIT, ALK, NTRK1, FGFR4, and MET were affected by the changes of some ERBB family members.