Is it possible to be a surgeon even you have adhd?

Yes. Adhd affects people of all sizes, shapes and capabilities. Many doctors have some degree of adhd.
Absolutely. Surgery is a perfect profession for a bright restless adhd person! no set routines! emergencies all the time! no boring sit behind a desk kind of day! run to the er for a trauma case! I have many surgeons in my practice with adhd! if you love medicine and surgery, go for it!
Yes. I know some surgeons that have adhd. With all the treatment options we have today there is no reason adhd should limit anyone's goals.