Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . There is central pulmonary vascular congestion and mild indistinctness of the pulmonary vasculature , overall improved since the prior examinations , consistent with improved CHF . There is no large pleural effusion or pneumothorax . No definite focal consolidation is identified .
    OUTPUT:
    
Improved edema since prior examination .