Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic process . Results were discussed over the telephone with Dr . ___ by Dr . ___ ___ at 4 : 18 p .m . on ___ at time of initial review .