Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since extubation , there has not been significant change in severe pulmonary edema . Mild cardiomegaly is stable . Tracheal stent is unchanged in position . Right subclavian is unchanged in position and likely is at the cavoatrial junction . Pleural effusions are small if any . No pneumothorax .
    OUTPUT:
    
No significant change and severe pulmonary edema . Tracheal stent in similar position .