Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary vascular congestion . Moderate cardiomegaly with mild enlargement of the aorta , not fully characterized on chest radiograph . Likely small left pleural effusion and adjacent atelectasis . Minimal right lower lobe assess . No pneumothorax .
    OUTPUT:
    
No acute pneumonia . Mild pulmonary vascular congestion .