Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Blunting of the right costophrenic angle is again seen , likely chronic . Elsewhere , the lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected . No free air seen below the diaphragm .
    OUTPUT:
    
No free air seen below the diaphragm . No acute cardiopulmonary process .