Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are relatively hyperinflated , which may be due to chronic obstructive pulmonary disease . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is minimal biapical pleural thickening . The cardiac silhouette is not enlarged . The aorta is slightly tortuous .
    OUTPUT:
    
No acute cardiopulmonary process .