XVI Russian Congress with international participation "Pediatrics and pediatric surgery in the Volga Federal district" was opened in Kazan. Doctors of different specialties from different regions of the country came to discuss problematic issues, share and exchange experience. For example, leading specialists from Voronezh, Moscow, Novosibirsk, Nizhny Novgorod, St. Petersburg, Great Britain, Germany, USA, Belarus and other countries and regions came to the capital of Tatarstan.