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what to expect when you get a mastectomy

What to Expect With a Mastectomy

If you or a loved one is about to undergo a mastectomy, you probably have many questions regarding what to expect before, during, and after the surgery. While the exact process of having a mastectomy can vary based on the type of procedure you're having and your surgeon's personal recommendations, the overall process of the surgery tends to be fairly consistent.

Knowing what to anticipate can help you prepare mentally, emotionally, and physically for the procedure and the mastectomy recovery process. Getting all of the facts can reduce uncertainty and allows you to formulate specific questions to ask you doctor. To help you better understand this breast surgery, we've rounded up some of the basic information you need to know going into your mastectomy. 

What to Expect Before a Mastectomy 

In the weeks before your surgery you will likely have a preoperative appointment with your doctor. During this time, you may have a mammogram, blood tests, and other testing as deemed necessary by your medical staff to make sure you're safely prepared for the upcoming procedure. 

woman getting mammogram

Throughout this process, you will also speak with the medical staff about how to prepare for the day of your surgery. Some things your doctor will typically tell you are: 

  • What time to arrive for your procedure
  • Any specific directions to prepare for your surgery like whether or not you can eat for so many hours leading up to your appointment
  • What to bring with you to the hospital 
  • To arrange a ride home after the surgery and to have someone who can check on your regularly throughout the first few days of your recovery 

This is also a great time to ask your doctors any questions. In the days leading up to your pre-op appointment, be sure to write down any questions that cross your mind. This is the best way to ensure that you remember them when you speak to your doctor.

Getting Your Home Ready Before a Mastectomy

When you return from the hospital, you'll be sore and have a limited range of motion, so it's important to get your home ready beforehand. 

First, you'll need to make sure you have appropriate clothes to wear after surgerySome regular recommendations are a comfortable shirt, dress or recovery robe that can either button up the front or be stepped into to wear home after the surgery. 

woman in brobe

Secondly, you'll want to purchase anything that will help aid in your recovery. This can include things like a recliner chair, comfy pillows, a drain belt for when you shower, or something to keep you entertained while you recover at home. 

Lastly, consider what you will do for food during your recovery. Some patients choose to make their favorite meals beforehand and freeze them so they can easily get some tasty nutrition without too much work. 

What Happens During a Mastectomy

On the day of your surgery, you'll arrive at the hospital and start the pre-op process. This usually involves a few steps: 

  1. Your surgeon will draw some markings on your chest with a felt tip marker to help inform where the incisions will be made. 
  2. You will then be given an IV so that medication can be administered during and after the procedure. This is needle is typically placed in a vein in your hand or arm. Helpful tip: If you know that pain medication tends to make you nauseated, let your medical staff know before they administer any medication and they can give you a patch that goes behind your ear to help reduce nausea!
  3. Once the IV is inserted you will be given medication to relax and calm you down as you're moved to the operating room. 
  4. Once in the operating room you will receive general anesthesia to put you completely out. Under general anesthesia you won't be aware of anything that occurs during the procedure. 
  5. Your medical staff will likely insert a catheter once you're asleep as well. A catheter is used to manager your urinary functions when you're asleep and unable to use the restroom.

Most bilateral mastectomy procedures take 2-3 hours. If you have opted to have immediate reconstruction the process will take a little longer to account for these additional actions. 

two surgeons operating

The Procedure

During the surgery, incisions will be made to allow for all of the breast tissue from the overlying skin and chest wall muscle underneath to be removed. All of the tissue from the collarbone down to the ribs, and from the side of the body to the breastbone in the center will be removed. 

After all of the breast tissue is removed, any reconstructive measures that have been previously discussed with your doctor, if any, will be performed. 

Your surgeon will then insert medical drains on either side of your body to remove fluid from the surgical sites. Most patients will have two drains that operate using suction on either side of the body.

Your surgeon will then close the surgical sites with a combination or sutures, medical glue, and bandages. 

What to Expect After a Mastectomy 

After your surgery you'll be moved to a recovery room for the remainder of the night. Most patients are discharged within 24 hours, but some stays can take up to 3 days.

While in the recovery room, the staff will monitor your heart rate, temperature and other vitals while managing your pain by administering pain medication through your IV. 

The morning after your procedure, once your anesthesia has worn off, you can expect a few things: 

  • Your catheter will be removed. This doesn't hurt, but it is an odd sensation.
  • You'll be shown how to empty, clean, and monitor your medical drains.
  • You'll be prescribed a mixture of pain medication and muscle relaxers to help manage discomfort while you recover. You may also be advised to take a stool softener while on pain medication to help keep your digestion regular. 
  • The staff may show you some simple arm exercises you can do to help alleviate muscle discomfort and maintain flexibility. 
  • You may be told how to care for your incisions, but typically your medical team will ask you to not remove the bandages or recovery bra until your followup appointment where you will then be taught how to care for the wounds.

We understand that undergoing such a procedure can be like navigating a whole new world. It's important to remember that your surgeons and medical staff are your number one resources. 


Knowing what to expect with a mastectomy can feel safer and more confident in the breast surgery that you are about to undergo. Even if your situation is a little different, it is likely that you will experience most of the steps outlined above. Remember to never hesitate to ask questions you have about the procedure or the results— no matter how silly you think your question may be!

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