Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable with mild tortuosity of the descending thoracic aorta . There is no large pleural effusion or pneumothorax . The lungs are well - expanded . Small nodular opacities are noted , most pronounced at the right lung base , with slight silhouetting of the right hemidiaphragm , compatible with an infectious process . The upper abdomen is unremarkable in appearance .
    OUTPUT:
    
New right lower lobe pneumonia .