Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , there is somewhat ill - defined area of increased opacification at the right base on the frontal view , seen just behind the heart on the lateral projection , consistent with a right lower lobe pneumonia . There is the vague suggestion of some ill - defined increased opacification at the left base as well , which could possibly represent a second focus of infection .
    OUTPUT:
    
Right lower lung pneumonia .