Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . The lungs are clear of consolidation or effusion . Calcific density projects over the left upper lung adjacent to the aortic arch . Nodular density is seen in the right mid lung laterally . Cardiomediastinal silhouette is within normal limits . Single - lead pacing device is identified with a right ventricular lead . Median sternotomy wires are noted . Atherosclerotic calcification identified at the aortic arch . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Nodular opacity in the right lung laterally , potentially a lung nodule . Correlation with older films suggested to document stability , otherwise , chest CT may be performed to further characterize .