From 15 to 18 September 2022, at the invitation of the Foreign Affairs Committee of St. Petersburg and with the support of the Representative Office of the Republic of Srpska in the Russian Federation, a delegation of the University Clinical Center of the Republic of Srpska participated in the 30th Congress of the World Society of Cardiovascular and Thoracic Surgeons and at the 11th international congress Current trends of modern cardiothoracic surgery.