Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs are clear . Cardiomediastinal silhouette is stable . Osseous and soft tissue structures are unremarkable . Surgical clips in the upper abdomen suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .