Oestrogen and Progesterone receptors
Medical tests
Clinical Oncology
What is analysed?Oestrogen receptors and progesterone receptors are specialised proteins found within certain cells that bind to the female hormones oestrogen and progesterone, respectively.Some breast cancer tumours have receptors for oestrogen and/or progesterone:When oestrogen receptors are present, the tumour is called ER-positive.When progesterone receptors are present, the tumour is called P