Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are chronic , coarse interstitial markings with mild fibrotic change . The lungs are otherwise clear . There is no pneumothorax or pleural effusion . The hilar and cardiomediastinal contours are normal . Stable tortuosity of the aorta with atherosclerotic calcifications in the arch is again noted . Pulmonary vascularity is normal . There is mild stable elevation of the left hemidiaphragm . No displaced fracture .
    OUTPUT:
    
1 . No acute cardiopulmonary process .