Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a 8 mm nodular opacity overlying the right posterior ___ rib . No other focal consolidations are identified . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
8 mm nodular opacity overlying the right posterior 9th rib . This could be secondary to the patient 's nipple . Recommend further evaluation either with nipple markers . ___ were d / w Dr . ___ by Dr . ___ by telephone at 4p on ___ .