Thirty‐two genes (GRAMD3, SYNGR1, CMTM7, HLA‐DMB, HLA‐DRB4, CLEC2D, CCNB1IP1, HLA‐DRA, DEFB1, ERBB2, MUC4, LOC145837, RPS24, RHOD, HBEGF, ARHGDIB, PITPNC1, PEA15, KRT16, GJB3, JUN, FHL2, CYB5R2, HLA‐B, EGR2, HERC6, DUSP5, HBA2, CHST15, NKX3‐1, LBH, TSPAN8) are common in hypopharyngeal cancer and EGFR‐mutated lung adenocarcinoma. This evidence concerns the gene GJB3 and lung adenocarcinoma.