Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . No pleural effusion , pneumothorax , pulmonary edema , or focal airspace opacities are identified .
    OUTPUT:
    
Normal chest xray examination . Surgical clips noted in right upper quadrant .