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Surgery for Breast Cancer
Topic You have Chosen:
Cancer:  >  Breast Cancer  >  Surgery
Surgery

Dr. D. Kutsco, MD; Consultant Surgical Oncologist & CMD

Surgery for Breast Cancer

Most women with breast cancer have some type of surgery as part of their treatment. There are different types of breast surgery, and it may be done for different reasons, depending on the situation. For example, surgery may be done to:

  • Remove as much of the cancer as possible (breast-conserving surgery or mastectomy)
  • Find out whether the cancer has spread to the lymph nodes under the arm (sentinel lymph node biopsy or axillary lymph node dissection)
  • Restore the breast’s shape after the cancer is removed (breast reconstruction)
  • Relieve symptoms of advanced cancer

Your doctor may recommend a certain operation based on your breast cancer features and your medical history, or you may have a choice about which type to have. It’s important to know your options so you can talk about them with your doctor and make the choice that is right for you.

Surgery to remove breast cancer

There are two main types of surgery to remove breast cancer:

  • Breast-conserving surgery (also called a lumpectomyquadrantectomypartial mastectomy, or segmental mastectomy) – A surgery in which only the part of the breast containing the cancer is removed. The goal is to remove the cancer as well as some surrounding normal tissue. How much of the breast is removed depends on the size and location of the tumor and other factors.
  • Mastectomy – A surgery in which the entire breast is removed, including all of the breast tissue and sometimes other nearby tissues. There are several different types of mastectomies. Some women may also get a double mastectomy, in which both breasts are removed.

Choosing between breast-conserving surgery and mastectomy

Many women with early-stage cancers can choose between breast-conserving surgery (BCS) and mastectomy. The main advantage of BCS is that a woman keeps most of her breast. But in most cases she will also need radiation. Women who have mastectomy for early stage cancers are less likely to need radiation.

For some women, mastectomy may be a better option, because of the type of breast cancer, the large size of the tumor, previous treatment history, or certain other factors.

Some women might be worried that having a less extensive surgery might raise their risk of the cancer coming back. But the fact is, in most cases, mastectomy does not give you any better chance of long-term survival or a better outcome from treatment. Studies following thousands of women for more than 20 years show that when BCS can be done along with radiation, having a mastectomy instead does not provide any better chance of survival.

Surgery to remove nearby lymph nodes

To find out if the breast cancer has spread to axillary (underarm) lymph nodes, one or more of these lymph nodes will be removed and looked at under the microscope. This is an important part of figuring out the stage (extent) of the cancer. Lymph nodes may be removed either as part of the surgery to remove the breast cancer or as a separate operation.

The two main types of surgery to remove lymph nodes are:

  • Sentinel lymph node biopsy (SLNB) – A procedure in which the surgeon removes only the lymph node(s) under the arm to which the cancer would likely spread first. Removing only one or a few lymph nodes lowers the risk of side effects from the surgery.
  • Axillary lymph node dissection (ALND) – A procedure in which the surgeon removes many (usually less than 20) lymph nodes from under the arm. ALND is not done as often as it was in the past, but it might still be the best way to look at the lymph nodes in some situations.

To learn more about these procedures and when they might be done, see Lymph Node Surgery for Breast Cancer. 

Breast reconstruction after surgery

Any women undergoing surgery for breast cancer may have the option of breast reconstruction. In the case of a mastectomy, a woman might want to consider having the breast mound rebuilt to restore the breast’s appearance after surgery. In some breast-conserving surgeries, a woman may consider having fat grafting in the affected breast to correct any dimples left from the surgery. The options will depend on each women’s specific situation.

There are several types of reconstructive surgery, although your options may depend on your medical situation and personal preferences. You may have a choice between having breast reconstruction at the same time as the breast cancer surgery (immediate reconstruction) or at a later time (delayed reconstruction).

If you are thinking about having reconstructive surgery, it’s a good idea to discuss it with your breast surgeon and a plastic surgeon before your mastectomy or BCS. This gives the surgical team time to plan out the treatment options that might be best for you, even if you wait and have the reconstructive surgery later.

To learn about different breast reconstruction options, see our section on breast reconstruction.

Surgery for advanced breast cancer

Although surgery is very unlikely to cure breast cancer that has spread to other parts of the body, it can still be helpful in some situations, either as a way to slow the spread of the cancer, or to help prevent or relieve symptoms from it. For example, surgery might be used:

  • When the breast tumor is causing an open wound in the breast (or chest)
  • To treat a small number of areas of cancer spread (metastases) in a certain part of the body, such as the brain
  • When an area of cancer spread is pressing on the spinal cord
  • To treat a blockage in the liver
  • To provide relief of pain or other symptoms

If your doctor recommends surgery for advanced breast cancer, it’s important that you understand its goal—whether it’s to try to cure the cancer or to prevent or treat symptoms.

Wire localization to guide surgery

Sometimes, if the cancer in your breast can’t be felt, is hard to find, and/or is difficult to get to, a mammogram or ultrasound may be used to place a wire in the cancerous area to guide the surgeon to the right spot. This is called wire localization or needle localization. If a mammogram is used you may hear the term stereotactic wire localization. Rarely, a MRI might be used if the mammogram or ultrasound are not successful.  

After your breast is numbed, a mammogram or ultrasound is used to guide a thin hollow needle to the abnormal area. Once the tip of the needle is in the right spot, a thin wire is put in through the center of the needle. A small hook at the end of the wire keeps it in place. The needle is then taken out. The surgeon uses the wire as a guide to the part of the breast to be removed.

The surgery done as part of the wire localization may be enough to count as breast conserving surgery if the margins are negative. If cancer cells are found at the edge of the removed tissue (also called a positive margin), more surgery may be required.  

It should be noted that a wire-localization procedure is sometimes used to perform a surgical biopsy of a suspicious area in the breast to determine if it is cancer or not. 

Breast-conserving surgery:A surgery in which only the part of the breast containing the cancer is removed.
Mastectomy – A surgery in which the entire breast is removed, including all of the breast tissue and sometimes other nearby tissues.

 


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Medical Disclaimer: The Contents of this site is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or treatment.




Medical Disclaimer: The Contents of this site is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or treatment.


 

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