EGFR and gastric cancer: The types of cancers that were investigated included breast cancer (n=7), ovarian cancer (n=4), multiple myeloma (n=4), pancreatic cancer (n=4), leukemia (n=4), colorectal cancer (n=2) melanoma (n=2), head and neck cancer (n=2), gastric cancer (n=2), cervical cancer (n=2), esophageal adenocarcinoma (n=1), lung cancer (n=1), epidermoid carcinoma (n=1), hepatocellular carcinomas (n=1), Met-overexpressed cancer (n=1), EGFR-overexpressed cancer (n=1), esophageal adenocarcinoma premalignant lesion (n=1) and HPV induced cancer (n=1).