Some signs suggest the maglinant tumor diagnosis: large tumor size, irregular (60%) or lobulated contours (26, 7%), Heterogeneous attenuation (86.7%), Heterogeneous enhancement (86.7%), calcification in tumor (33.3%), necrosis in tumor (66.7%), pleural effusion (53.3%), pericardial effusion (6.7%), invasion signs (Mediastinalfat invasion (80%), mediastinal lymphadenopathy (60%), metastasis (33, 3%), great vessel invasion (26, 7%).