Heart surgeons near Moscow saved the life of a small patient. An adolescent girl with a congenital heart defect - mitral valve insufficiency. She was diagnosed as a teenager. Over time, the anomaly progressed, significantly worsening the child's quality of life. For the first time in the Moscow region, pediatric heart surgeons from the children's research center and clinic named after him. The heart valve of L. from. Rochelle was successfully restored through a small incision under the mammary gland. The incision after such surgery is almost invisible. The teenager's condition is now assessed as satisfactory and she is ready for discharge.: Doctors are great guys.