Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . The lungs are clear without consolidation , effusion or pulmonary vascular congestion . Cardiomediastinal silhouette is within normal limits . No free air seen below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process , no visualized free intraperitoneal air .