EGFR and breast cancer: Nevertheless, Fu et al. (2020) [39] used a pre-trained feature extractor DL model on histopathologic images of 28 different cancers (e.g., thyroid tumors, uterine cancer, glioma, breast cancer, etc.)and identified mutations (RB1, PTEN, CSMD1, PPP2R2A, BRAF, TP53, EGFR mutations).