EGFR and thymoma type A: On the other hand, proteins overexpressed in type A thymomas, such as MYL9, ROCK2, CDH1, RRAS2, GNG12, EGFR, ITGB1, BRK1, SEPT5, and NRP1, were mapped to canonical pathways including IL‐8, Rho family GTPase, and epithelial adherens junction signaling.