Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with study of ___ , there is increased opacification silhouetting the hemidiaphragm on the right , consistent with the clinical impression of developing pneumonia . There is silhouetting posteriorly on the lateral view , consistent with a right lower lobe process . Remainder of the study is within normal limits .
    OUTPUT:
    
Right lower lobe pneumonia .