1. Abdominal Surgery Department, A.V. Vishnevsky National Medical Research Center of Surgery , 117997 Moscow , Russia
2. Radiology and Magnetic Resonance Imaging Department, A.V. Vishnevsky National Medical Research Center of Surgery , 117997 Moscow , Russia
3. Pathology Department, A.V. Vishnevsky National Medical Research Center of Surgery , 117997 Moscow , Russia