Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lung base opacity likely reflects moderate left pleural effusion and left lung base atelectasis . There is pulmonary vascular congestion and minimal interstitial pulmonary edema . Cardiac silhouette is moderately enlarged .
    OUTPUT:
    
Left basilar pleural effusion and atelectasis . Pulmonary vascular congestion and minimal interstitial edema .