Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate moderate enlargement of the cardiac silhouette . There is mild pulmonary edema . Increased opacification in the right lower lobe could reflect a combination of edema and atelectasis ; although , infectious process is possible . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Moderate cardiomegaly and mild pulmonary edema 2 . Increased opacity in the right lower lobe could reflect combination of edema and atelectasis ; although , infectious process is possible . Consider repeat radiograph after diuresis to exclude pneumonia .