A member asked:

Had two cancerous moles removed at age 12. 21 now. having a biopsy done of a large mole on my breast. if cancerous could it cause breast cancer?

2 doctors weighed in across 2 answers

Unrelated: God forbid the mole biopsied from the breast turns out to be malignant, it would be a melanoma and not breast cancer. The two cancers have different biology. In brief, moles on the breast do not cause breast cancer.

Answered 12/10/2013

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No: There is no relationship between skin cancer and underlying breast cancer.

Answered 9/20/2018

4.6k views

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