How common is a breast lump in hormone receptor-positive breast cancer?

Hormone receptor-positive breast cancer has cells that respond to oestrogen, progesterone, or both. A lump is a frequent way this condition comes to attention, but the lump itself cannot reveal its receptor status. Benign cysts, fibroadenoma, inflammation, and normal breast variation can also cause lumps.

A healthcare professional may compare both breasts and the underarm, then recommend imaging. A biopsy can examine cells and establish whether cancer is present; laboratory testing can then identify hormone receptors and other features.

Book an appointment for a new lump or a persistent change, even if it is not painful. Record its location and when it appeared. Mention nipple discharge, a change in breast shape, skin puckering, or an underarm swelling, and tell the clinician if you are pregnant, breastfeeding, or taking hormones.

If testing confirms hormone receptor-positive disease, ask how receptor findings influence treatment discussions. Keep copies of imaging and pathology results so that each clinician can work from the same information.

Contact a clinician promptly if a lump is enlarging, feels fixed, or is accompanied by skin dimpling, nipple inversion, or bloody discharge. Redness, heat, fever, or worsening pain may need urgent assessment for infection. Seek emergency help for severe symptoms such as fainting or difficulty breathing.

Ask which imaging is suitable, whether a biopsy is recommended, and when results are expected. If cancer is found, ask which hormone receptors were detected, what other tests are needed, and how the findings affect treatment choices.