Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right IJ line is in unchanged position and terminates at the cavoatrial junction . There is pulmonary edema which has not significantly changed compared to the prior radiograph performed yesterday evening . There is no evidence of pneumonia , substantial pleural effusions or pneumothorax . Heart size remains enlarged . Some residual oral contrast is noted in the left upper quadrant .
    OUTPUT:
    
Severe pulmonary edema , unchanged .