EGFR and neoplasm: Moreover, in other types of LUAD (including papillary, solid, and micropapillary), YTHDC2 expression did not differ between tumor and adjacent normal tissues (Fig. 8F), and the expression of YTHDC2 was not associated with EGFR mutation status, smoking habits, tumor stage, or whether the patient received preoperative treatment (Fig. S10, H–J).