Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are appropriate . Increased interstitial markings are seen in the lungs with a predominantly peripheral distribution , more prominent on the right than on the left . These may also have been faintly visualized on prior . There is no confluent consolidation or effusion . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires are again noted . Old left lateral rib fracture is again noted . No acute osseous abnormality is identified .
    OUTPUT:
    
Increased interstitial markings in the lungs more conspicuous on today 's exam . This may be due to a chronic interstitial process , or alternatively atypical infection . Based on history , nonurgent CT scan could be considered for further assessment . No confluent consolidation .