Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nipple markers have been placed . Previously noted nodular opacity over the right lung base is no longer visualized . The lungs are clear noting right greater than left apical scarring . There is no focal consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
No pulmonary nodules identified .