Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . There is mild elevation of the right hemidiaphragm , probably unchanged compared to ___ . No pleural abnormalities . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . A right - sided PICC terminates at the expected location of the cavoatrial junction . A pigtail catheter is noted to project over the right upper quadrant . There is a lucency projecting over the posterior right seventh rib which was present , but less conspicuous , on the chest radiograph obtained ___ and not present on the chest radiograph obtained ___ . The normal trabecular pattern of the rib in this region is not clearly delineated .
    OUTPUT:
    
1 . Right - sided PICC terminates at expected location of the cavoatrial junction . 2 . A lucency projecting over the posterior right seventh rib may reflect a healing rib fracture . If no clinical history to support this possibility , recommend CT chest to rule out an underlying osseous lesion .