Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low but unchanged . There is no pleural effusion , pneumothorax or focal airspace consolidation worrisome for pneumonia . Heart is normal in size . The mediastinal and hilar structures are unremarkable . Clips are seen in the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary process .