Definitions for "Progesterone receptor assay"
a laboratory test done on a piece of the breast cancer that shows whether the cancer depends on progesterone for growth. Progesterone and estrogen receptor tests provide more complete information to help in deciding the best cancer treatment for the patient.
A test that is done on cancerous tissue to see if a breast cancer is progesterone hormone dependent and can be treated by hormonal therapy.
a test in addition to the ER assay.