In a multivariate regression analysis, >1 anti-EGFR therapy block was significantly associated with a better overall survival (HR 0.51, 95% CI 0.30–0.85, p < 0.05) as was tumor resection at first diagnosis (HR 0.54, 95% CI 0.32–0.99, p < 0.05) and left-sided tumor localization (HR 0.64, 95% CI 0.37–1.09, p < 0.05) (Supplementary Materials Table S3). This evidence concerns the gene EGFR and neoplasm.