Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . A calcified granuloma projects over the right lower lung , as before . Patchy new opacity is present at the left lung base , but elsewhere , lungs remain clear .
    OUTPUT:
    
Patchy left basilar opacity , probably due to minor atelectasis . If there is clinical concern for the possibility of early developing infection , then short - term followup radiographs could be considered , however .