Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild to moderately enlarged , as before . Unfolding of the thoracic aorta and calcification appear unchanged . More generally , the mediastinal and hilar contours appear stable . Mild interstitial prominence suggests slight congestion or fluid overload . There is increasing left basilar opacification suspected to reflect a combination of atelectasis and developing pleural effusion . In addition to streaky lower lobe opacities , the lateral view suggests more confluent opacification in the right middle lobe .
    OUTPUT:
    
Findings suggesting mild vascular congestion , increased , with developing pleural effusion on the right . Another change is increasing right basilar opacity that may indicate an infectious process developing in the lower lungs , with particular suspicion for the right middle lobe .