Breast lumps are bumps, growths, or hard areas that feel different from the rest of your breast. You might notice a breast lump by chance or during a breast exam.
Cancer isn't the most common cause of breast lumps.
The most common causes of breast lumps are:
Fibroadenomas, which are small, smooth, movable, painless round lumps that usually happen in women who are at an age to have children
Fibrocystic changes, which are general lumpiness and pain in your breasts caused by monthly changes in female hormones such as estrogen and progesterone
Less common causes of breast lumps are:
Go to a doctor within 1 to 2 days if you have a breast lump and:
Go to a doctor within 7 days if you have a breast lump and:
Doctors will ask you questions about your symptoms and health. They’ll do an exam, including a breast exam to feel the lump.
To tell if your breast lump is cancer, doctors often do more tests, such as:
Depending on your symptoms and the results of these tests, your doctor may:
If your breast lumps are fibrocystic changes, doctors may:
If your breast lumps are fibroadenomas, doctors may:
If your breast lumps are breast cancer, doctors may do surgery to remove your tumor and give other types of cancer treatment, such as radiation therapy, chemotherapy, and medicine.