POLQ expressions were relatively higher in glandular epithelial cancers, including rectum adenocarcinoma, lung adenocarcinoma, breast invasive carcinoma (BRCA), prostate adenocarcinoma, ovarian serous cystadenocarcinoma (OV), cervical squamous cell carcinoma and endocervical adenocarcinoma, thymoma (THYM) and pancreatic adenocarcinoma compared with the normal tissues. Here, POLQ is linked to invasive breast carcinoma.