Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs demonstrate nonspecific interstitial opacities , which have been more fully characterized by prior CT of ___ . Additionally , a faint opacity in the right upper lobe above the level of the minor fissure is apparently new compared to prior chest radiographs . There is no central vascular congestion or overt pulmonary edema . Mediastinum , hila and pleural surfaces are unremarkable . Heart size is normal .
    OUTPUT:
    
A new focal opacity in the right upper lobe may represent an early pneumonia . Nonspecific interstitial abnormality , which is been more fully evaluated by chest CT .