I would like to express my deep gratitude to the entire team of "Operative Endoscopy" under the guidance of the wonderful doctor Nedoluzhko I. Yu. for the highly professional help and attention that I was surrounded with during the treatment of my disease. I also want to note and express my gratitude personally to the endoscopist doctor Shumkina Lada Vyacheslavovna. Thank you so much for your high professionalism, help, attention and support. I wish you and the entire team good health, happiness and long life!