Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low leading to crowding of the bronchovascular structures . Streaky bibasilar and right middle lobe airspace opacities l are noted . There is no large pleural effusion , pneumothorax , or frank pulmonary edema . The cardiac silhouette is mildly enlarged allowing for AP view .
    OUTPUT:
    
1 . Bibasilar and subtle right middle lobe opacities , suggestive of atelectasis although superimposed pneumonia is difficult to exclude . 2 . Stable , mild cardiomegaly .