Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest compared to previous exam from ___ . There are lower lung volumes when compared to prior , there is suggestion of abnormal increased interstitial markings throughout the lungs , most notably at the bases . Cardiomediastinal silhouette is slightly enlarged but likely accentuated due to lower lung volumes and AP technique . Multiple posterior right rib fractures are again noted .
    OUTPUT:
    
Diffusely increased interstitial markings in the lungs which can be seen with interstitial edema versus bilateral infection .