Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , pulmonary vascular congestion has improved . Asymmetric opacities in the right lung have also improved . Linear subsegmental atelectasis in the right lower lobe . No new consolidation , pleural effusion or pneumothorax . Mild cardiomegaly .
    OUTPUT:
    
Interval improvement in pulmonary vascular congestion and asymmetric opacities in the right lung .