Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary vascular congestion . There is mild - to - moderate streaky bibasilar opacity . There is no effusion or pneumothorax . Biapical bullae , left worse than right , were better evaluated on prior CT . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Mild - to - moderate bibasilar opacities are again seen . This may well represent continued atelectasis , but in the appropriate clinical setting , it would be difficult to exclude pneumonia , especially in the absence of a lateral view .