Back to Health A to Z. If you feel a lump in your breast, you should always get it checked by a GP. Most breast lumps are harmless but some can be serious.
There are different types of breast lumps. The following descriptions and illustraitons provides some details. If you have any questions, follow-up with your doctor.
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Medically reviewed by Harold J. Burstein, MD, PhD. Although breast cancer is the most common cancer found in womenmost breast lumps are not cancer.
An important way to keep up with your breast health is to be aware of how your breasts normally look and feel, and know what changes to look for. Finding breast cancer as early as possible gives you a better chance of successful treatment. A lump or mass in the breast is the most common symptom of breast cancer.
Ninety percent of lumps are benign and can be due to a whole host of causes, from menstruation to cysts to remnants of an old injury. Many women get lumps and other changes in their breasts before and during their period. These are relatively easy to recognize because they come and go in rhythm with your menstrual cycle.
A breast lump deserves medical attention. Know what to expect during a clinical breast exam — and what happens when a lump needs further evaluation. That's understandable.