Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Marked enlargement of the cardiac silhouette persists which could be due to cardiomyopathy or pericardial effusion . Areas of left mid lung linear atelectasis is seen . There is no definite focal consolidation . There is no pleural effusion or pneumothorax . Minimal pulmonary vascular congestion may be present .
    OUTPUT:
    
1 . Persistent severe enlargement of the cardiac silhouette maybe due to cardiomyopathy or pericardial effusion . 2 . Linear lingular atelectasis / scarring . Possible mild pulmonary vascular congestion .