What to Do After a Breast Biopsy

A breast biopsy is a medical procedure performed to collect a small sample of breast tissue for laboratory analysis, typically done to investigate a suspicious area identified during a screening or physical exam. A pathologist examines this tissue sample to determine if the cells are benign (non-cancerous), malignant (cancerous), or atypical. While the procedure is quick and usually performed with local anesthetic, the period immediately following the biopsy requires specific care to ensure proper healing and minimize complications. Understanding the recovery process and knowing what to expect in the days and weeks ahead can help make the post-procedure experience smoother.

Immediate Care and Activity Restrictions

Caring for the biopsy site focuses on managing the dressing and keeping the area clean. The initial pressure dressing applied by the medical team should typically remain in place for the first 24 hours to reduce bleeding and bruising, after which you will be instructed to remove it. Beneath the main bandage, small adhesive strips (Steri-Strips) cover the incision. Leave these strips in place until they fall off naturally, usually within three to five days.

Keep the area dry for the first 24 hours, avoiding showers, baths, or swimming. After 24 hours, you can shower, letting water run gently over the site, but avoid scrubbing or using perfumed soaps directly on the wound. Applying a cold pack to the biopsy site for 10 to 15 minutes at a time can help reduce local swelling and tenderness during the first 24 to 48 hours.

Activity restrictions are necessary to prevent bleeding and allow internal tissue to heal. For the first 24 to 48 hours, avoid strenuous activities, including running, jogging, or any exercise that substantially raises your heart rate. Also, avoid lifting anything heavier than five pounds, which is roughly the weight of a small bag of groceries.

Your provider may advise wearing a supportive, tight-fitting bra continuously for the first few days, even while sleeping, to provide gentle compression. Limit excessive movement of the arm on the side of the biopsy, avoiding activities that stretch the chest or put pressure on the site for at least a few days. If you received a local anesthetic, arrange for someone to drive you home immediately after the procedure.

Managing Recovery Symptoms and Warning Signs

It is normal to experience mild symptoms as the local anesthetic wears off and healing begins. Bruising is common and expected due to damaged blood vessels; this discoloration may spread over a larger area of the breast and take up to two weeks to fully resolve. Mild soreness or tenderness can typically be managed with over-the-counter pain relievers.

Acetaminophen is the preferred option for pain management, as medications like aspirin or NSAIDs (such as ibuprofen) can increase the risk of bleeding. Consult your provider before taking any medication that could potentially thin the blood.

Some people may notice a small, firm lump underneath the skin at the biopsy site. This is often a hematoma (a localized collection of blood) or a small area of swelling. A hematoma is typically a normal part of the healing process and will gradually soften and resolve on its own over several weeks. Report any sudden, significant increase in the size of the lump or immediate, severe pain to your healthcare team.

Be aware of specific warning signs that indicate a possible complication, such as infection or uncontrolled bleeding. Signs of infection include increasing redness, warmth, or swelling around the incision that extends beyond the initial bruise, or a fever greater than 100.4 degrees Fahrenheit. If the biopsy site bleeds excessively, apply firm, continuous pressure with a clean gauze pad for 10 to 15 minutes. If this pressure does not stop the bleeding, or if you experience a sudden discharge of pus or fluid, seek immediate medical attention.

Understanding the Biopsy Results Process

After the tissue sample is collected, it is sent to a pathology laboratory where specialized doctors (pathologists) prepare and analyze the cells under a microscope. This meticulous process involves fixation, slicing, staining, and detailed examination, which is why receiving results is not instantaneous. The pathologist writes a detailed report that is sent back to your referring physician.

The typical timeline for receiving a definitive pathology report is approximately three to ten business days, though this can extend to two weeks if special stains or complex testing are required on the tissue sample. This duration ensures an accurate diagnosis. Once ready, the report is often reviewed by a multidisciplinary team of specialists before being communicated to you. Clarify before leaving the clinic how and when you should expect to receive the information.

Your healthcare provider will inform you of the results, which may happen through a scheduled follow-up appointment, a phone call, or a letter. The results generally fall into three primary categories:

Benign

No cancerous cells were found. Your provider will likely recommend a return to routine surveillance, such as your normal screening schedule.

Atypical/High-Risk

The cells show abnormal changes. This may lead to a recommendation for increased surveillance or a follow-up surgical procedure to remove more tissue.

Malignant

The presence of cancer is confirmed. This result will initiate a discussion about further testing to determine the extent of the disease and the development of a treatment plan.