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A 37-year-old female asked:

I have a pea-sized tender underarm lump. what can it be? can fibrocystic breast tissue extend all the way towards almost the back side of torso?

1 doctor answer3 doctors weighed in
Dr. Mark Pack
General Surgery 33 years experience
Possibilities: Breast tissue can extend up toward the axilla. The small mass you feel could be - a lipoma, a cyst, a lymph node, if breast tissue then possibly a breast mass, fibrocystic tissue. You should see your doctor for an exam to be sure.
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Last updated Sep 29, 2016

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