Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is subtle increased opacity over the right lower lung field laterally with persistent mild interstitial abnormality , which may represent small airways disease as seen on prior CT . No pneumothorax or pleural effusion is detected . Heart and mediastinal contours are stable with mild aortic tortuosity and calcification .
    OUTPUT:
    
Persistent mild interstitial abnormality with subtle increased opacity at the right lower lung field , concerning for pneumonia in the proper clinical setting . These findings were discussed with Dr . ___ by Dr . ___ by telephone at 9 :42 a .m . on ___ at the time of initial review of the study .