I want to express my great gratitude to my attending physician, Andrey Nikolayevich Vankovich, for his tremendous help, for responsiveness, for high-quality and timely treatment, for medical ethics and for professionalism in his field! Andrey Nikolaevich is a talented doctor from God with golden hands and a huge warm heart. A wonderful person, kind, sympathetic, able to sympathize with people. I wish Vankovich A.N. health, well-being, success in a difficult and noble cause, as well as long years of successful medical practice!