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A breast lump is a growth that forms within the breast. Different types of breast lumps can vary in the way they look and feel.
You might notice:
You also might see these changes along with a lump:
A breast lump can be a sign of breast cancer. That's why you should get it checked by your health care provider as soon as you can. It's even more important to get a breast lump checked after menopause. The upside is that most breast lumps are benign. That means they are not caused by cancer.
Breast lumps can be caused by:
Breast lumps also can be caused by health problems that can happen during breastfeeding, such as:
Make an appointment to have a breast lump checked, especially if: