Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . Lungs are clear without focal consolidation . There is persistent enlargement of the right hilum as well as mild cardiomegaly . There is no pleural effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Stable enlargement of the right hilum with mild cardiomegaly . Please refer to subsequent CT Chest for further details .