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 of focal consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable . Multiple air - fluid levels are identified on the upright lateral view . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process . Multiple air - fluid levels within the abdomen for which clinical correlation is suggested .