Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is a suggestion of nodular opacity projecting over the right upper lung not clearly identified on prior . The lungs are otherwise clear . Nipple shadows projecting over the lower lungs bilaterally . There is no effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires and mediastinal clips are again noted as well as atherosclerotic calcifications at the aortic arch .
    OUTPUT:
    
No definite acute cardiopulmonary process . Focal nodular opacity projecting over the right upper lung , potentially superimposed shadows however repeat PA is suggested to confirm .