Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine AP portable view of the chest was obtained . The lungs are hyperinflated , which may be due to chronic obstructive pulmonary disease . No focal consolidation , pleural effusion or evidence of pneumothorax is seen . The aorta is calcified and tortuous . The cardiac silhouette is top normal to mildly enlarged . No displaced fracture is seen .
    OUTPUT:
    
No acute intrathoracic process .