Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Per the patient 's nurse , the patient had pulled out his nasogastric tube prior to this chest radiograph being obtained . The lungs are hyperinflated with flattening of the diaphragms , suggesting chronic obstructive pulmonary disease . There are areas of mild bilateral lower lobe atelectasis / scarring . Relative lucency of the upper lobes likely relates to emphysema . The cardiac silhouette is top normal . The aorta is tortuous . There is no overt pulmonary edema .
    OUTPUT:
    
COPD and bibasilar atelectasis .