Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains enlarged . There is mild pulmonary vascular congestion , improved since the prior study . No pleural effusion or pneumothorax is seen . Lingular scarring is best seen on the lateral view .
    OUTPUT:
    
Cardiomegaly with minimal pulmonary vascular congestion , slightly improved since the prior study .