The Role of Tumor Markers: Carcinoembryonic Antigen and Cancer Antigen 15-3 in Patients With Breast Cancer.

Introduction  Breast cancer is a major cause of mortality among females, worldwide. The present study was intended to evaluate the significance in the management of carcinoembryonic antigen (CEA) and cancer antigen 15-3 (CA15-3) in patients with breast cancer. Methodology A cohort study was conducted at the Jinnah Postgraduate Medical Center, Karachi, Pakistan from June 2020 to May 2021.