Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Moderate cardiomegaly persists . There is mild - to - moderate pulmonary vascular congestion with possible minimal interstitial edema . No pleural effusion or pneumothorax is seen . No definite focal consolidation . No evidence of free air is seen beneath the diaphragms .
    OUTPUT:
    
1 . Stable moderate enlargement of the cardiac silhouette . 2 . Mild - to - moderate pulmonary vascular congestion .