Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral radiographs of the chest . The lungs are clear . There is hyperinflation of the lungs evidenced by increased anterior clear space and flattening of the diaphragms , suggestive of chronic obstructive pulmonary disease . Increased prominence of interstitial markings likely represents chronic lung disease . The aorta is tortuous . There is bilateral lower lobe atelectasis . There is no pneumothorax or pleural effusion . There is no pulmonary edema .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Left lower lobe atelectasis . 3 . Increased prominence of interstitial markings likely represents chronic lung disease . Hyperinflation suggests COPD .