Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . There is increase in the AP diameter of the chest with flattening of diaphragms , consistent with COPD .
    OUTPUT:
    
1 . No evidence of pneumonia or congestive heart failure . 2 . Findings suggestive of COPD .