If you’ve been recently diagnosed with breast cancer, one of the first decisions you may face is which type of surgery to have. The decision can feel overwhelming, but if your surgeon is offering you a choice, it’s because both options have the same long-term results for your type of breast cancer. By understanding how each surgery affects your health and overall well‑being, you can make a decision that you feel confident about.
A lumpectomy, also called a partial mastectomy, is a surgery that removes the breast tumor and a small rim of healthy tissue, called the surgical margin, to completely remove the cancer. This option allows you to keep your natural breast shape while preserving as much sensation in the nipple and skin as possible.Most people who have a lumpectomy will need radiation to reduce the risk of the cancer returning. However, recent research suggests that some women over 65 with early-stage breast cancer may be able to avoid radiation with no effect on survival.In contrast, a mastectomy is a more extensive surgery. It removes the entire breast, including the nipple, areola (the dark tissue around the nipple), and most of the skin. Some may have the option to preserve the skin alone or the skin, nipple, and areola for breast reconstruction, which can be done immediately after the mastectomy or at a later time. Whether this is an option for you depends on the size and location of the tumor and your overall breast size.Doctors may recommend radiation after a mastectomy if they identify certain risk factors, such as larger tumors or the cancer having spread to lymph nodes. Your team will make this decision after reviewing the pathology results after surgery.
Choosing between a lumpectomy and a mastectomy can be difficult, but clearing up common misconceptions can help you focus on what works best for you.
Misconception 1: Mastectomy Leads to Longer Survival
A common misconception about breast cancer surgery is that removing the entire breast leads to longer survival. But long-term studies show that those who have a lumpectomy with radiation live as long as those who have a mastectomy.
“Some women assume that a mastectomy is the ‘safer’ option. But once they understand the data, their perspective often changes,” says Tracy‑Ann Moo, MD, a breast surgeon at Memorial Sloan Kettering Cancer Center (MSKCC).
Misconception 2: Mastectomy Eliminates the Risk of Cancer Returning
Some people think having a mastectomy guarantees that the cancer won’t return to the same breast. However, “the risk of recurrence with mastectomy is basically the same with a lumpectomy followed by radiation,” says Dr. Moo.
About 1 in 20 people have the cancer return to the same breast within 12 years after a mastectomy. After a lumpectomy with radiation, the number is about 1 in 10 to about 1 in 20. It’s also important to know that a mastectomy doesn’t lower the risk of the cancer returning somewhere else in the body or in the other breast.
Some people consider removing both breasts, fearing the cancer may return in the healthy breast. But Moo says, “Breast cancer doesn’t usually spread from one side to the other. For most women, the chance of getting a new cancer in the other breast is quite low. A single-breast mastectomy is just fine if you choose that route.”
Misconception 3: Mastectomy Eliminates the Need for Further Treatment
People may think that having a mastectomy will help them avoid future treatment, like chemotherapy, hormone therapy, or targeted therapy. But the need for further treatment depends on the tumor’s characteristics, such as HER2 status, hormone-receptor status, and genetic mutations, not the type of surgery.
If both surgical options are available to you, consider the following factors to decide which one is the best fit for you.
Tumor Size and Location
Lumpectomy is usually recommended for smaller tumors (less than 5 centimeters). Larger tumors, tumors located behind the nipple, and tumors found in multiple areas of the breast may require a mastectomy. If the breast is large enough, tumors that require removal of the nipple can be treated with a procedure called a central lumpectomy.
Genetic Markers
People with inherited genetic mutations, like BRCA1 or BRCA2, have a higher risk of developing a second breast cancer in either breast. In these cases, doctors may recommend a mastectomy, but it is not mandatory.
Surgical Risks
Mastectomy carries a higher risk of complications because more tissue is removed. These may include long‑term chest numbness, chronic nerve pain, skin‑tissue loss, limited arm or shoulder movement, and fluid buildup (called lymphedema).Both surgeries share risks like bleeding, infection, pain, fluid buildup, scarring, and changes in breast or chest appearance.
Recovery Time
Lumpectomy is usually an outpatient procedure with a faster recovery time. Many people return to normal activities within a week or two.However, mastectomy may require a hospital stay and a longer recovery. Recovery can take three to four weeks, or six to eight weeks if reconstruction happens at the same time.Surgical drains are common with a mastectomy, but they are rarely needed after a lumpectomy unless the surgery is extensive.Both surgeries require daily arm and shoulder exercises to restore movement and prevent stiffness, especially if you’ve had radiation. “Most patients meet with a physical therapist the morning after surgery to learn the exercises they’ll need for recovery. For many, those instructions are enough to regain full shoulder and arm movement at home,” says Moo.
If limited movement continues several months after surgery, physical therapy may be recommended. Most people who have a lumpectomy do not need physical therapy.
Lifestyle and Logistics
Lumpectomy is usually followed by daily radiation therapy for three to six weeks. However, radiation is often avoided after a mastectomy. For people who want to avoid radiation, live far from a treatment center, or have limited transportation, a mastectomy may be a more practical option.
Personal Preference
Lumpectomy keeps the natural breast shape and preserves as much sensation in the nipple and skin as possible. However, about 1 in 5 people will need a second surgery, if the surgical margins contain cancer cells.Mastectomy permanently removes the breast and often causes long‑term chest numbness, although there are now procedures to restore sensation afterward. After surgery, patients can choose breast reconstruction or a flat chest. Reconstruction often involves multiple surgeries over several months.
Quality of Life
Studies show that people who choose lumpectomy report higher long‑term satisfaction related to body image, appearance, and sexual well‑being, compared with those who have a mastectomy, even when reconstruction is performed.
Effects on Mental Health
Surgery can affect how people see themselves and cope with cancer. “For some people, their breasts are a big part of their identity. Losing them can bring a real grief process,” says Susan Glaser, LCSW-R, a clinical social worker at MSKCC.
Others feel more anxious about ongoing screenings or the possibility of the cancer returning after a lumpectomy. “It’s quite common for those who choose a lumpectomy to second-guess themselves, especially when they come back for their yearly mammograms,” says Emma Uribe, LCSW, a clinical social worker at MSKCC.
Because there is no wrong decision, Moo encourages patients to choose the option that gives them the most peace of mind and helps them move forward with their lives.
People who receive a lumpectomy with radiation (or without radiation in older women) live as long as those who have a mastectomy. The chance of the cancer returning is similar for both surgeries, in most cases.
Lumpectomy often leads to a faster recovery and higher long‑term satisfaction with body image, emotional well‑being, and sexual health.
Mastectomy may offer more peace of mind, if the prospect of long-term monitoring and concerns about the cancer coming back cause anxiety.
You may choose a mastectomy if you want to avoid radiation. Others choose it when daily trips to a treatment center for several weeks aren’t possible.
