General Information About the Test
Test Process and Preparation
No. CA 15-3 is not a good screening test for detecting breast cancer at an early stage. Mammography and Breast Ultrasound are the gold standards for early diagnosis. This test is mostly used for the clinical follow-up of already diagnosed patients.
A progressive decrease in the CA 15-3 level measured during the treatment process or its return to normal limits indicates that the tumor is shrinking and the body is responding positively to the treatment.
Yes. Mild increases in CA 15-3 levels in the blood can also be seen in non-cancerous conditions such as liver diseases (cirrhosis, hepatitis), benign breast diseases, and rarely lung or ovarian diseases.
The information on this page is for informational purposes only. The results of medical tests must be evaluated by specialist physicians.



