Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This study is read in conjunction with chest CT performed subsequently after the insertion of thoracostomy tubes . Lateral aspect of the left hemi thorax is not included on this examination . There is no pleural effusion or large pneumothorax along the imaged pleural surfaces . Extensive dependent consolidation in both lungs is much more obvious on the chest CT which also showed right pneumothorax , which might have been due to subsequent thoracostomy drainage . . Moderate enlarged of the cardiac silhouette is due to cardiomegaly , not pericardial effusion or hemopericardium .
    OUTPUT:
    
1 . Bilateral parenchymal contusions .