Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a 9 mm rounded opacity projecting over the right anterior 6th rib , which may represent a nipple shadow . 4 mm granuloma is noted in the right upper lung . Otherwise no consolidation , effusion or pneumothorax . Cardiomediastinal contours are normal . No subdiaphragmatic free air .
    OUTPUT:
    
9 mm rounded opacity projecting over the right lung base , which may represent a nipple shadow . Recommend repeating a frontal chest radiograph with nipple markers . If this persists , a chest CT is recommended to evaluate for lung nodule .