Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . The lungs are clear . The costophrenic angles are sharp where seen . However , the right posterior costophrenic angle is not included in the field of view . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are notable for degenerative changes of the right acromioclavicular joint and hypertrophic changes in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .