Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or pneumothorax . Calcific density projecting over the right upper lung may be related to first rib costochondral junction , unchanged from prior . Cardiomediastinal silhouette is within normal limits . Hypertrophic changes are noted in the spine . Degenerative changes also noted at the AC joints .
    OUTPUT:
    
No acute cardiopulmonary process .