Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . There is increased opacity in the right lung , particularly projecting over the base . Right lung base nodule is less well seen on the current exam , potentially projectional , and adequate comparison for interval change is not possible on this exam . Post-radiation changes are again seen in the right paratracheal region . There is also subtle opacity at the left lung base in the retrocardiac region . Cardiomediastinal silhouette is stable . No acute osseous abnormalities identified . Bridging of the posterior right ___ and 7th ribs are again seen .
    OUTPUT:
    
Bibasilar right greater than left opacities , new since prior , which could represent infection or potentially aspiration . No other change since prior .