Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are relatively low . Again seen are diffusely increased interstitial markings throughout the lungs . Given differences in technique , there has been no significant interval change since prior exam . There is no new confluent consolidation or effusion . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Diffuse increased interstitial markings throughout the lungs compatible with chronic interstitial process . No definite superimposed acute cardiopulmonary process .