Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since chest radiographs obtained ___ , there is a new , faint , hazy area of opacification within the perihilar right upper lobe . There has been interval resolution of the tiny bilateral pleural effusions . Lungs are otherwise fully expanded and clear . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . Pleural surfaces are normal .
    OUTPUT:
    
Probable new , perihilar , right upper lobe pneumonia .