Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable elevation of the right hemidiaphragm . A right chest port ends in the low SVC , unchanged . Vague opacity in the right lower lobe may represent pneumonia , is slightly more prominent than study on ___ . No pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Increase in right lower lobe opacity may represent early pneumonia .