What is the most likely reason a young woman would have breast lump?

Fibroadenoma. The most common breast tumor is a fibroadenoma. This is a benign tumor which may be present as early as the teen years. As women age, breast cysts may develop, which are benign fluid-filled lumps (peak incidence ages 35-50). It is often very difficult to distinguish a lump from normal "lumpy-bumpy" tissue. When in doubt, it is best to see your primary care physician or gynecologist.
Benign mass. A fibroadenoma is a benign breast tumor that grows commonly in young women, treatment may vary because of symptoms , duration and size. However there are other causes and you should have that checked out by your obgyn or surgeon for proper work up and management.

Related Questions

What is the likely cause of a young woman to have a breast lump?

Fibroadenoma. The most common breast tumor is a fibroadenoma. This is a benign tumor which may be present as early as the teen years. As women age, breast cysts may develop, which are benign fluid-filled lumps (peak incidence ages 35-50). It is often very difficult to distinguish a lump from normal "lumpy-bumpy" tissue. When in doubt, it is best to see your primary care physician or gynecologist. Read more...