Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . The lungs are hyperinflated , which may be related to chronic obstructive pulmonary disease . No focal consolidation is seen . There is mild right greater than left biapical pleural thickening . There is no large pleural effusion or evidence of pneumothorax . The aorta is calcified and tortuous . The cardiac silhouette is top normal to mildly enlarged . No overt pulmonary edema is seen . There is no evidence of free air beneath the diaphragm .
    OUTPUT:
    
Hyperinflated lungs may be due to chronic obstructive pulmonary disease . No acute cardiopulmonary process . No evidence of free air beneath the diaphragm .