[Thymus lipoma complicated by pulmonary artery thromboembolism].

Combination of mediastinum thymolipoma (rare benign variety of thymus tumor) and chronic thrombosis of the main trunk and branches of pulmonary artery is a relatively rare but not occasional combination (location of the tumor in the zone of vascular fascicle, impediment of diastolic heart function because a tumor being equal to the heart enveloped pericardium) resulting in lethal outcome of patient at young age.