A member asked:

Are fibrocystic breast lumps cancerous?

2 doctors weighed in across 2 answers

Not usually: Fibrocystic breast disease is a disorder aggravated by coffee and smoking. However it is not a precursor to malignancy. Fibrocystic breast disease makes mammogram interpretation more problematic.

Answered 12/16/2012

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Not at all: No they are not cancerous and completely benign. However when one biopsies these lesions sometimes the pathologist can see ductal hyperplasia or atypical ductal hyperplasia in the setting of fibrocystic changes. These findings increase one's risk of developing cancer from 1.5x to 5x respectively.

Answered 8/2/2019

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What kinds of lumps under breasts are cancerous?

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