Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The aorta is tortuous and with atherosclerotic calcifications noted at the arch . Mediastinal and hilar contours are otherwise unchanged . Punctate granulomas are seen in the left upper lobe . Patchy right lower lobe opacity may reflect an area of developing infection . Left lung is clear . No pleural effusion or pneumothorax is present . Biliary stents are seen in the right upper quadrant of the abdomen . There are no acute osseous abnormalities .
    OUTPUT:
    
Patchy right lower lobe opacity is concerning for an area of developing infection .