I think it would not be appropriate to experiment after surgery, especially with such a disease. The rehabilitation time, in general, should be a week and not less. Your cocktail is right, flights are not forbidden, but if you want to risk it, you can fly. The choice is yours. To ease your worries at least a little, I can assure you that next to you will always be an air ambulance and will be able to give you first aid. Everything will be ok, even if you have problems with the wound. I think you might want to get some early information here
https://www.airambulance1.com/ to make it easier for yourself the journey. Good luck.
