Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Increased interstitial markings are seen throughout the lungs which have progressed since ___ . There is no confluent consolidation or large effusion . Cardiomediastinal silhouette is unchanged , noting atherosclerotic calcifications at the arch . Thoracic dextroscoliosis is again seen .
    OUTPUT:
    
Diffusely increased interstitial markings in the lungs bilaterally which has progressed since ___ . This could be due to chronic underlying lung disease , however , interstitial edema can also have this appearance . No large confluent consolidation .