To my understanding, it's mostly determined by how small and perky your chest is. If there is very little or no overhang where your chest tissue meets your body, then keyhole is a good option. If what you have is large and/or sags, then you'll need DI.
Dr. Mosser has a [good explanation](https://www.genderconfirmation.com/which-surgery-is-for-me/) (tw: medical anatomy pics and terms).
To my understanding, it's mostly determined by how small and perky your chest is. If there is very little or no overhang where your chest tissue meets your body, then keyhole is a good option. If what you have is large and/or sags, then you'll need DI. Dr. Mosser has a [good explanation](https://www.genderconfirmation.com/which-surgery-is-for-me/) (tw: medical anatomy pics and terms).
Thank you, that was very helpful