[Lymphatic malformation of cervical-supraclavicular area with large mediastinal component].

Lymphatic malformation (LM) is a benign neoplasm that consists of abnormally formed lymphatic vessels and cavities. The incidence of LM is 6% among all benign tumors. Mediastinal localization is extremely rare, only case reports in adults are described. Clinical observation of 42-year-old patient with LM of cervical-supraclavicular area and large mediastinal component communicating with thoracic lymphatic duct is presented. The first stage was thoracoscopic clipping of thoracic lymphatic duct, the second one - radical surgery through combined cervico-sterno-thoracotomy.