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 . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .