Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Relatively low lung volumes seen on the current exam . The lungs are clear of consolidation , effusion , or pulmonary vascular congestion . Cardiomediastinal silhouette is unchanged . Atherosclerotic calcifications again noted at the arch . Degenerative changes seen at the shoulders .
    OUTPUT:
    
No acute cardiopulmonary process .