Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear without consolidation , effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications seen at the aortic arch . Hypertrophic changes seen in the spine . Right upper quadrant surgical clip is identified . Degenerative changes are seen at the right acromioclavicular joint .
    OUTPUT:
    
No acute cardiopulmonary process .