Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal cardiomediastinal and hilar contours . Coronary artery stent noted . Small , nodular opacities projecting over the lung bases bilaterally could reflect known subcentimeter pulmonary nodules or nipple shadows . Normal pleural surfaces .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Apparent , bibasilar nodular opacities could reflect known , subcentimeter pulmonary nodules or nipple shadows . Recommend CT follow - up per prior recommendations .