FIELD: medicine. SUBSTANCE: method involves making layer-by-layer 6-7 cm long cut in the projection of sternal xiphoid process along the median line to reach preperitoneal fat, dissecting diaphragmal muscular fibers attached to the posterior surface of the xiphoid process and the costal arch and bluntly stratifying tissues between the diaphragm, pericardium, mediastinal pleura sheets and extraperitoneally and extrapleurally creating entrance into posterior mediastinum of the thoracic part and evacuating the abscess outwards with drains led up for lavaging and actively sucking the contents. EFFECT: reduced risk of traumatic complications.
