EGFR and squamous cell carcinoma: In those reports, the GGO‐present group tended to have tumors with pathologically low‐grade malignancy, lepidic adenocarcinoma, and EGFR mutation,8, 9, 10, 11, 12, 13, 14 and the GGO‐absent group sometimes included histological types with poorer prognoses than adenocarcinoma, such as squamous cell carcinoma.8, 9