Step 4: Read and complete the decision guide to learn more about your symptoms.
Breast Lump Biopsy
A breast biopsy is a sample of tissue taken directly from the breast. This can be done in the office by "fine-needle aspiration," where the doctor inserts a very thin needle into the lump and draws up a tissue sample into a syringe. It can also be done as outpatient surgery, where the surgeon either takes a small piece of the lump or completely removes the lump.
With both procedures, the tissue sample is sent to the lab to see if cancerous cells are present.
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