Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased AP diameter of the chest with flattened diaphragms , suggesting small airway disease or emphysema . Lungs are otherwise clear without pleural effusions or consolidations . Heart size , mediastinum , and hilar contours are normal .
    OUTPUT:
    
Increased AP diameter of the chest with flattened diaphragms , consistent with COPD . Lungs are otherwise clear .