Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is redemonstration of mild elevation of the left hemidiaphragm and blunting of the lleft ateral costophrenic angle which could be secondary to scarring or pleural thickening . There is increased opacity at the right upper lobe , which is new as compared to prior examination and could reflect an early infectious process , in the appropriate clinical setting . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Increased right upper lobe opacity , could reflect an early infectious process , in the appropriate clinical setting .