Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are slightly diminished . There is no pleural effusion , pneumothorax or focal airspace consolidation . Heart size is normal . The mediastinum and hilar structures are unremarkable . The aorta is mildly tortuous but unchanged . Cholecystectomy clips are incidentally noted .
    OUTPUT:
    
No acute cardiopulmonary process .