Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , AP and lateral . The lungs are hyperinflated , suggestive of COPD . There is a diffuse increase in interstitial markings bilaterally . There is no air space consolidation . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . Diffusely increased interstitial markings likely due to a chronic process . 2 . Hyperinflation of the lungs suggestive of COPD . 3 . No acute cardiopulmonary process .