Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Chronic changes are identified at the right upper lung . There is however new hazy opacity in the left suprahilar region localizing to the left upper lobe on the lateral exam concerning for infection . No other new region of consolidation identified on the background of diffusely increased interstitial markings throughout the lungs which are chronic . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
Left upper lobe ill - defined opacity compatible with pneumonia in the proper clinical setting . Recommend repeat after treatment to document resolution .