Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Relatively low lung volumes are noted . There is diffuse bilateral increased hazy opacities which on the lateral view is mostly posterior in distribution . There is no layering effusion . The cardiomediastinal silhouette is within normal limits , although the azygos appears enlarged . No acute osseous abnormalities identified .
    OUTPUT:
    
Bilateral parenchymal opacities projecting over the right more than left lower lobes .