REVISION ROUX-EN-Y GASTRIC BYPASS IN THE TREATMENT OF ULCER OF THE LOWER THIRD OF THE ESOPHAGUS ON THE BACKGROUND OF DIAPHRAGM HERNIA AFTER LAPAROSCOPIC SLEEVE GASTRIC RESECTION
Kalashnikov O. O., Usenko O. Y., Todurov I. M., Kosiukhno S. V., Hrynevych A. A.