"I would like to take the opportunity to thank you for the excellent care which you provided to me."
"I wish to appreciate the successful operation you carried on my daughter, also thank you for the various pieces of advice you gave throughout the period. Please extend my appreciation to all members of your Team who were involved in the operation."
"I want to take this time to thank you so much for your professionalism and care. You made the whole experience so much easier for which I am truly grateful. I am making super progress at home and it is all down to your expertise."