Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright frontal and lateral views of the chest show no free air under the diaphragm . There is no pleural effusion , pneumothorax or focal airspace consolidation . The heart is normal in size . The mediastinum and hilar structures are unremarkable . There is no pneumomediastinum .
    OUTPUT:
    
No acute cardiopulmonary process .