Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs remain clear . Cardiomediastinal silhouette is normal . No acute osseous abnormality seen . Surgical clips in the upper abdomen raise possibility of prior cholecystectomy . Surgical clips also seen within the neck .
    OUTPUT:
    
No acute cardiopulmonary process .