No: Fibroadenomas are benign tumors and cannot become malignant. There are rare types that can be locally aggressive within the breast, called phyllodes tumors. If you had this type of fibroadenoma, we would recommend surgical removal. Otherwise, fibroadenomas can be left in the breast once diagnosis is established, provided that it is not large or painful.
Answered 12/31/2022
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Possible: While possible, most do not.
Answered 11/1/2012
5.5k views
No: Fibroadenomas are benign and do not turn into cancer so you do not need them removed. Some will enlarge and they can cause pain, and some women simply dislike having a lump, so surgery is an option. An alternative non-surgical option is cryoablation.
Answered 8/8/2013
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