Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nodular opacities project over the lung bases bilaterally , which may be nipple shadows . Lungs are otherwise clear . There is no focal consolidation or effusion . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified .
    OUTPUT:
    
Nodules projecting over the lung bases . These could be nipple shadows however given history of additional metastases , nonurgent exam with nipple markers is suggested to confirm .