CA 15-3

Also known as: CA-Breast; Cancer antigen-breast

Formal name: Cancer Antigen 15-3

Related tests: CA 27.29; Tumor markers; CEA; Her2/neu; Hormone Receptor Status; Gene Expression Tests for Breast Cancer

At a Glance

Why Get Tested?

To monitor the response to treatment of invasive breast cancer and to watch for recurrence of the disease

When to Get Tested?

When you have been or are being treated for invasive breast cancer

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None

This article was last reviewed on September 24, 2009. | This page was last modified on November 14, 2009.

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