Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are remain relatively hyperinflated , with flattening in the diaphragms , which may be due to chronic obstructive pulmonary disease . The mediastinal contours are stable . The hilar contours are also stable . The cardiac silhouette is not enlarged . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Subacute to old lateral right - sided rib fractures involving the right eighth and ninth and possibly tenth ribs are again seen . No new fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Persistently hyperinflated lungs suggest chronic obstructive pulmonary disease . Old lateral right - sided rib fractures , as above .