Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral radiographs of the chest demonstrate hyperexpanded lungs . The cardiomediastinal and hilar contours are unchanged . As before , there is an area of increased opacification projecting over the right ___ posterior rib arch , which is better evaluated on prior CT of the chest , and is consistent with resolving abscess . Otherwise there is no area of increased opacification . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .