Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest again seen are diffusely increased interstitial markings throughout the lungs with a basilar predominance . Relatively low lung volumes are seen . These changes make evaluation for subtle changes difficult however there may be a new consolidation in the left midlung . Cardiomediastinal silhouette is stable . Osseous structures are grossly unremarkable .
    OUTPUT:
    
Diffuse bilateral parenchymal opacities compatible with patient 's known interstitial lung disease which makes detailed evaluation by plain films limited . Possible new region of consolidation in the left midlung which could represent a superimposed acute process such as infection .