Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . Linear opacities at the left lung base most likely atelectasis . A well - circumscribed nodule in the right lower lung is most likely a nipple shadow . Adjacent to the right ninth anterior rib is bony callus from a healing fracture . Multiple additional healed rib fractures are present on the right . An old left clavicular fracture is noted .
    OUTPUT:
    
1 . Multiple old rib fracture including a healing fracture adjacent to the right 9th rib . 2 . Nodule in the right lower lung field that may be due to nipple shadow . Recommend attention on follow up .