Cardiac surgeons of Medical Unit of OAO “Tatneft” and Almetyevsk as part of a large delegation of cardiovascular surgeons of Tatarstan Republic took part in the 25th Congress of Cardiac Surgeons of Russia. Congress was held in Moscow on the basis of A. N. Bakulev Cardiovascular Surgery Institute under the leadership of the chief cardiac surgeon of the Russian Federation, Academician of RAS and RAMS L. A. Bokeria.