Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary vascular congestion is seen with central pulmonary vascular engorgement . There is minor linear left base atelectasis . No pleural effusion is seen . There is no pneumothorax . Enlargement of the cardiac and mediastinal silhouettes is stable . A battery pack overlies the left hemi thorax .
    OUTPUT:
    
Persistent cardiomegaly . Mild pulmonary vascular congestion .