Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . The lungs are clear without consolidation , effusion , or pulmonary vascular congestion . There is no pneumothorax . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications seen at the aortic arch . A right shoulder arthroplasty is noted .
    OUTPUT:
    
No acute cardiopulmonary process .