What are some inherent risks of a breast biopsy?

Bleeding,infection: This will depend on the type of biopsy you are getting. A core needle biopsy has 2 main risks: bleeding and infection .This is dependent on the type of needle used. Prior to any procedure, the doctor and staff will explain the risks of the procedure.

Infection/bleeding: Although infection and bleeding are the most common risks of a core needle biopsy or fine needle aspiration, larger breast biopsies can be associated with seroma formation (large pockets of fluid that do not resolve). Other risks are less common.