
Your one stop shop for all things aesthetic flat closure.
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Our Commitment to Evidence-Based Medicine
From our inception, Not Putting on a Shirt has been committed to ensuring that all of the information that we provide is medically sound and consistent with the existing body of scientific evidence.
In the case of patient satisfaction with flat closure, there is a distinct lack of data. That’s why we’ve conducted our own pilot studies and are actively promoting larger-scale research with validated tools. We presented a poster with the combined results of our two pilot surveys this past December at SABCS 2019. Read our report from the first pilot, take a look at the UCLA flat closure study, or view our SABCS poster.
Women Are Happy Flat! Listen:
Resources
You may find the following to be useful. Note: you can now read about aesthetic flat closure at BreastCancer.org! Please let us know what we’re missing, too – we want to support providers as much as we want to support patients!
Informational Videos
Learn about the revolutionary single-incision aesthetic flat closure surgery after bilateral mastectomy in obese women in this educational video featuring prestigious oncoplastic breast surgeon Dr. Schwartz of MyBreastCancerDoc.com:
Our esteemed advisors, Drs. Tiwari and Kocak at Midwest Breast & Aesthetic Surgery in Gahanna, Ohio, have put together a series of informational videos on technical subtopics concerning aesthetic flat closure – both explanting to flat and going flat at initial mastectomy. Take a look below. For more videos, check out MWB’s YouTube channel!
What is a flat closure after mastectomy?
Do you consider a flat closure to be a reconstruction?
Should a plastic surgeon always be involved with a flat closure?
What are the 3 reconstruction options after mastectomy?
How to address shape and form vs. scar
Can large breasted patients expect to have a good flat closure?
How to address concavity after a flat closure?
Is fat grafting possible to address concavity after a flat closure?
Muscle repair after explant
Why is it important to take out the entire capsule?
Articles about Aesthetic Flat Closure
Technical Considerations
Aesthetic Flat Closure Following Mastectomy: A Systematic Review of Techniques, Outcomes, and Patient Perspectives (Snee et. al., December 2025)
Aesthetic Flat Closure After Mastectomy: Is Immediate Reconstruction Superior To Delayed? (Cheung & Lee, May 2023) (CSPS Abstract)
Evaluation of Aesthetic Flat Closure: A Scoping Review (Bhaskara et. al., August 2025)
Flat Aesthetic Mastectomy Closure with the Angel Wing Technique to Address Lateral Adiposity: Technique and Outcome Analysis (Klenotic et. al., March 2024)
Single-incision approach to aesthetic flat closure after bilateral mastectomy in morbidly obese patients (Schwartz, November 2023)
Not Just a Linear Closure: Aesthetic Flat Closure after Mastectomy (Morrison & Karp, May 2022)
The Modified M-plasty Approach to Mastectomy: Avoiding the Lateral Dog-ear. (Meybodi et. al., Feb 2022)
The double S technique to achieve aesthetic flat closure after conventional mastectomy (Steffens et. al., February 2022)
Technical considerations in nonreconstructive mastectomy patients (Djohan et. al., Oct 2019)
The Angel Wings Incision: A novel solution for mastectomy patients with increased lateral adiposity. (Hill et. al., July 2019)
Revisiting Y-Shaped Closure Technique to Prevent the Dog Ear Formation in Women Undergoing Mastectomy (Vipin Goel et. al., 2018)
Mastectomy flap design: the ‘waisted teardrop’ and a method to reduce the lateral fold. (Thomas et. al., 2012)
Y-V oncoplastic wound repair of mastectomy dog-ear deformity. (Gittleman, 2012)
Oncoplastic technique for the elimination of the lateral “dog ear” during mastectomy. (Clough et. al., 2011)
The Lateral Chest Wall” A Separate Aesthetic Unit in Breast Surgery. (Bar-Meir et. al., 2011)
Mastectomy approach with Y-shaped incision: a technique designed for women with obesity. (Szynglarewicz et. al., 2009)
An oncoplastic technique to reduce the formation of lateral ‘dog-ears’ after mastectomy (Haresh et. al., 2007)
Eliminating the dog-ear in modified radical mastectomy (Farrar et. al., 1988)
Other – PRO’s, Decision Factors, Prevalence, Etc.
National Trends in “Going Flat” After Mastectomy (Johnson et. al., 2023)
“‘Going Flat’ After Mastectomy: Patient Reported Outcomes by Online Survey” (Baker et. al., 2021)
The Functional Impact of Breast Reconstruction: An Overview and Update. (Nelson et. al., 2018)
Quality of Patient Decisions About Breast Reconstruction After Mastectomy. (Lee et. al., 2017)
Patient’s Education Before Mastectomy Influences the Rate of Reconstructive Surgery (Tarkowski et. al., 2016)
Statistics on Aesthetic Flat Closure
How many patients are choosing aesthetic flat closure?
A 2023 study found that about 55% of patients were choosing AFC in 2019. The going flat rate plummeted after the WHCRA was passed in 1998, levelled off around 2015, and began rising again thereafter.

Why do patients choose to go flat?
A 2021 survey from UCLA indicated that the top two reasons patients choose flat closure is the lower rate of surgical complications, and avoiding implants.

How common is satisfaction with flat closure, and how common is flat denial?
The 2021 UCLA survey found that 74% of patients going flat were satisfied with the outcome of their flat closure surgery (this is in line with what NPOAS' own research has found as well.) The UCLA authors also found that 22% of patients going flat were not offered the option to go flat, experienced a lack of support from their surgeon, or had their surgeon actually leave extra skin during their surgery. NPOAS' survey found that flat denial, defined only as leaving extra skin, was prevalent at rates of 4-5% (intentional flat denial) and 7% (negligent flat denial), for a total of 11-12%. Our survey also found that roughly 1 in 4 patients going flat were dissatisfied with their surgical outcome, and that incidence of revision surgery was doubled for respondents with flat denial.
According to our survey, patient factors associated with egregiously poor expectation match (i.e., how well their expectation of their aesthetic outcome was met) are age older than 55 years and higher than “normal” BMI. Surprisingly, in our data set, larger breast cup size was NOT associated with poorer expectation match. (Note: further studies are needed to confirm and determine the specific nature of these correlations.)
There is room for improvement in patient satisfaction with their aesthetic outcome.
Coding & Reimbursement
Coding for aesthetic flat closure, whether at the initial surgery or at revision, depends on whether tissue rearrangement is involved. If yes, the CPT code is 1430X. If not, the CPT code 1310X. Other CPT codes have been used but are likely to be denied by insurance, at least initially, and especially without additional documentation. Fat grafting may also be a component of aesthetic flat closure, but not at the initial surgery (more here).
It’s also important to know that in 2024, the US Department of Labor issued guidance to insurance companies clarifying that aesthetic flat closure is covered under the Women’s Health and Cancer Rights Act (WHCRA).
Oncoplastic Training
A Note on Language
“Flat Closure” and “Aesthetic Flat Closure”
“Flat closure” is the term we use to describe the reconstruction of the chest wall contour without breast mounds after mastectomy. This procedure falls squarely under the reconstructive (not cosmetic) category of surgery as it restores a normal anatomic contour – the chest wall. Recently the National Cancer Institute added “aesthetic flat closure” to their Dictionary of Cancer Terms, defining it as:
“A type of surgery that is done to rebuild the shape of the chest wall after one or both breasts are removed. An aesthetic flat closure may also be done after removal of a breast implant that was used to restore breast shape. During an aesthetic flat closure, extra skin, fat, and other tissue in the breast area are removed. The remaining tissue is then tightened and smoothed out so that the chest wall appears flat.” (NCI Dictionary of Cancer Terms)
For a more in-depth discussion about terms of art, visit the blog.
Tell us what you think about the language issue!
Questions?
You can use the form below to tell us what you’re thinking about, to learn how to support our work, or to find out how to get involved. You can also email us directly at providers@notputtingonashirt.org. Apply to be listed on our Flat Friendly Surgeons Directory here.

















