Definition of Fibroadenoma

Fibroadenoma: A benign growth in the breast that is solid, firm, smooth and usually painless or only slightly tender. Fibroadenomas are very common. A woman may have several. They sometimes grow quickly in teenagers or during pregnancy. Their peak incidence is in women 30 to 35 years old. To repeat, fibroadenomas are benign. They are not malignant.