Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . The lungs are clear . Cardiomediastinal silhouette is normal . Osseous and soft tissue structures are unremarkable . No visualized free intraperitoneal air is seen below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .