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23

NCCN Guidelines for Patients

®

Breast Cancer - Early-Stage

(STAGES I AND II)

, Version 1.2016

2

Treatment planning

Receptor tests

Figure 2.3 Cell receptors in breast cancer

Hormone and HER2 receptors help breast cancer grow. Some women have a high

amount of one or both types of receptors. It is important to test for these cell

receptors so that the best cancer treatment is received.

a) Breast cancer that has too many cells with hormone receptors is called

hormone receptor–positive.

b) Breast cancer that has too many HER2 receptors or genes is called HER2

positive.

a.

Hormone receptor–negative cancer

b.

HER2-negative breast cancer

Hormone receptor–postive cancer

HER2-positive breast cancer