Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Cardiomediastinal silhouette is stable , allowing for differences in positioning and degree of inspiration . There is increased bibasilar opacification , compared to the prior film , which on subsequent ___ CTA chest corresponds to atelectasis . There is no frank consolidation , pleural effusion or pneumothorax . No pulmonary edema .
    OUTPUT:
    
No focal consolidation to suggest pneumonia .