Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear clear without focal consolidation , effusion or pneumothorax . The lungs are hyperinflated . Small nodular opacities seen on prior PET - CT can not be clearly seen on radiograph . No evidence of congestion or edema . The cardiomediastinal silhouette is stable . Bony structures appear intact . Chronic left anterior rib deformities likely account for increased sclerosis at the left second and third anterior rib arches .
    OUTPUT:
    
As above . No evidence of pneumonia .