Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Cardiomediastinal silhouette and hilar contours are unremarkable . There are no pleural effusions or pneumothoraces .
    OUTPUT:
    
No acute intrathoracic process . These findings were discussed with Dr . ___ ___ telephone by Dr . ___ at 11 :26 a .m . on the date of the study .