Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Cardiomediastinal silhouette and hilar contours are unremarkable . No pleural effusions or pneumothoraces .
    OUTPUT:
    
No acute cardiopulmonary process . These findings were discussed with Dr . ___ via telephone at 1 :29 p .m . by Dr . ___ .