Since cancer is a deadly disease, sensitive and early-stage diagnostics can make it possible for the patients to get through the best available treatment options to combat this menace for longer survival (3). Currently, different cancer diagnostic tests are available including mammography, colonoscopy, cervical cytology, prostate-specific antigen, immunohistochemistry, molecular detection, cancer imaging (IHC), and many more, and all have some associated limitations that may produce unauthentic results (4, 5). Here, KLK3 is linked to cancer.