Benign breast lumps

Most breast lumps are benign, which means they are not cancers.

These benign breast lumps do not spread outside of the breast and they are not life threatening. But some benign breast lumps can increase a woman’s chance of getting breast cancer.

So, if a breast lump is not a cancer, what could it be?


These are solid, smooth, rubbery lumps that move around easily in the breast tissue. These lumps consist of fibrous (or connective) tissue and normal glandular tissue of the breast.

For more information about fibroadenomas, click here.


These are benign growths of fat cells. These can occur anywhere on the body where there are fat cells, including inside the breast.


These are small sacs of fluid within the breast tissue.

Fibrocystic breast change

Sometimes, small fluid-filled sacs called cysts become entrapped in dense fibrous tissue within the breast. They may present as breast lumpiness, thickening, and/or swelling, which may be tender or painful.

Fibrocystic change is common and it is often affected by changes in hormone levels.

For more information about fibrocystic breast changes, read here.

It is important that all breast lumps are investigated fully before diagnosis is made.

For information on malignant (cancerous) breast lumps, click here.

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