EGFR and neoplasm: However, the analysis of overall survival showed no significant difference between the two groups, as shown in Figure 1C. The analysis of tumor invasion and metastasis in both groups showed that the proportion of patients with the EGFR-abnormal type had a significantly lower percentage in TI stage, N0 stage, and M0 stage than those with the EGFR-normal type, as shown in Figure 1D–F.