Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable with mild prominence of the right paramediastinal stripe appearing unchanged from a radiograph dated ___ . There is no pleural effusion or pneumothorax . Lungs are hyperexpanded but clear without focal consolidation concerning for pneumonia . Upper lobe lucency is suggestive of underlying emphysema . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .