Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . No infiltrate is seen on the frontal film . However on the lateral images there is a streaky area of increased opacity seen inferiorly . It is unclear if this represents a small area of volume loss . Is not confirmed on the frontal film .
    OUTPUT:
    
Volume loss versus small infiltrate only seen on the lateral film