Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Again seen are hyperinflated lungs , with flattening of the diaphragms consistent with chronic obstructive pulmonary disease . There is suggestion of pulmonary emphysema . The aorta is tortuous . The cardiac silhouette is not enlarged . Posterior linear atelectasis / scarring is again seen on the lateral view .
    OUTPUT:
    
No acute cardiopulmonary process . COPD .