EGFR and adenocarcinoma: An earlier report categorized ‘good prognosis’ and ‘bad prognosis’ groups separately for adenocarcinoma and squamous carcinoma based on expression patterns of sets of six proteins (c-SRC, CCNE1, TTF1, P65, CHK1, and JNK1/MPK1) and five proteins (EGFR, SOX2, CDH1, AKT1, and MAPK14), respectively [92].