Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to 1 day prior , right perihilar opacity has increased in prominence . Definite localization limited on lateral view , possibly superior segment right lower lobe . No pleural effusion . Heart size is normal . Cardiomediastinal hilar silhouettes are unremarkable . A right IJ central venous catheter terminates in lower SVC . Sclerosis and irregularity of the anterior right sixth rib may reflect prior fracture , also seen on chest CT obtained ___ Incidental note made of an IVC filter and an enteric tube passing well below the diaphragm .
    OUTPUT:
    
Right perihilar opacity has increased in prominence , likely focal pneumonia .