Top surgery is gender-affirming chest surgery that removes breast tissue and reshapes the chest into a flatter, more masculine contour. Surgeons plan the scars, nipple size and position as carefully as the tissue removal. The technique depends mainly on chest size and skin elasticity.
What is top surgery?
Top surgery is chest surgery for trans men and for many non-binary and other trans people who want a flatter chest. The term covers a handful of different operations, and people often assume it simply means removing breast tissue. It does include that, but the aim is wider: to create a chest that looks and feels right to the person who has it. WPATH Standards of Care 8 recognise gender-affirming chest surgery as part of care for trans people, in the same way other medical guidance recognises the treatments that help people live well.
What makes a chest look typically male?
A male chest differs from a female one in some specific ways, and surgeons plan for every one of them. On a typical male chest the nipple and areola (the darker skin around the nipple) are smaller and more oval. They sit lower and further out towards the side of the chest. There is no fold underneath where a breast would sit, and the contour is flatter, with a gentle shadow along the bottom edge of the pec muscle.
That is why a good result is more than a good removal. Where the nipples end up, how big they are and where the scars run all shape how the chest looks once everything has settled.
What is the double incision technique?
For a larger chest, the most common technique is the double incision. The surgeon makes a cut along the lower border of the pec muscle on each side, removes the breast tissue and any excess skin, and closes the wound so that the scar follows that natural muscle shadow. Done well, the scar sits where a male chest already has a line, which is part of why it can look so natural.
With this technique the nipples are removed, made a little smaller, and grafted back on in their new, more typically male position. A graft is a piece of skin moved from one place to another, so the nipple is no longer attached to its original nerves and blood supply. That affects sensation, and it is something to talk through with a surgeon before you decide.
What are keyhole and periareola techniques?
For people with a smaller chest and good skin elasticity, there are keyhole and periareola techniques. The tissue is removed through a small cut around the edge of the areola. That means much less scarring, and a better chance of keeping nipple sensation, because the nipple stays attached to its own nerves and its own blood supply.
The catch is that these techniques rely on the skin shrinking back smoothly after the tissue has gone. If there is more skin than the technique can deal with, the surgeon will usually recommend one of the options in between, or the double incision. That is a question about your skin and your chest, not about how much you deserve the result you want.
What about nipples, and can I choose not to have them?
Yes. There are other options in between the main techniques, and some people choose to have no nipples at all, or to have them tattooed on later. People tell me all sorts of reasons for each choice: the look they want, the feel, the idea of a simpler operation, or simply that they never felt the nipples were part of the chest they imagined. All of those are fine. It is your chest, and the plan should be built around what you want it to look like.
Does testosterone help with top surgery?
It does. Testosterone builds the pec muscles, so the chest underneath is already becoming more masculine before surgery, and it carries on doing so afterwards. Surgery changes what sits on top of the muscle, and testosterone changes the muscle itself, which is why the two work well together. If you want to explore the medical side, GenderGP can help with access to testosterone, prescribing and monitoring.
Some people have top surgery without testosterone, and that is a valid choice as well. Neither route is the correct one.
Is top surgery only for trans men?
No. Many non-binary people and others with a gender that sits outside the binary have top surgery, and what they ask for is not always a typically male chest. Some want a completely flat chest, some want something less defined, and some want the nipples handled in a particular way. A good surgeon plans around the person in front of them, not around a template. Chest surgery for trans women, which adds volume rather than removing it, is a different operation with its own questions, and I would be glad to cover it in its own piece.
What should I ask a surgeon before top surgery?
Good surgeons expect questions, and informed consent means you have what you need to decide for yourself. It helps to ask which technique they would recommend for your chest and why, what the scars are likely to look like, how likely it is that you will keep nipple sensation, and what happens if you want a revision afterwards. Ask to see results on chests like yours, in a range of skin tones and sizes, because scarring looks different on different skin. A surgeon who answers all of that plainly is a good sign.
The practical side is harder. Surgeons who do this work well are few, and in many places public services have long waiting lists or do not cover it, so many people save, fundraise or travel. That is not a reflection of how much the surgery matters. It is a gap in provision, and the people paying for it are trans people. If you are working out what you can realistically do, Sammy is here to talk through the choices with you.
What is actually being revealed?
The tissue taken away in top surgery is the same breast tissue every human has. The chest that is revealed underneath is one that was always possible, and I think that is pretty wonderful.
If there is a topic that you would like me to cover, just let Sammy know.
Dr Helen Webberley
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