Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low bilateral lung volumes with bilateral lower lobe opacities likely reflective of atelectasis and / or consolidation . There is vascular crowding which may be secondary to mild pulmonary vascular congestion or low bilateral lung volumes . No pleural effusion or pneumothorax identified . The size of the cardiac silhouette is marked to be enlarged .
    OUTPUT:
    
Bibasilar opacities may reflect atelectasis , and / or consolidation in the proper clinical context .