Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are increased bibasilar streaky opacities on the most recent prior study , suggesting bibasilar atelectasis . There is no significant pleural effusion or pneumothorax . Again seen is bullous emphysema and hyperinflation of the lungs . Mild pulmonary vascular congestion is unchanged . The cardiac silhouette is moderately enlarged but stable . The mediastinal and hilar contours are within normal limits . Leftward shift of the mediastinal structures is related to the patient 's pectus deformity as seen on the CT of ___ .
    OUTPUT:
    
1 . Increased mild bibasilar atelectasis from ___ . 2 . Persistent mild pulmonary vascular congestion .