KLK5 and ovarian cancer: It is worth noting that KLK5 is associated with vaginal cancer (200), cutaneous squamous cell carcinoma (cSCC) (196), ovarian cancer (201), endometrial cancer (202), ESCC (203), breast cancer (204), prostate cancer (205), uterine cervical cancer (206), colorectal adenoma-carcinoma (207) and ovarian cancer (201).