Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , lung volumes are increased and there has been interval improvement of pulmonary edema . There is no pneumothorax . The tip of the intra-aortic balloon pump device appears more superior , withdrawal of 2 - 2 .5 cm is recommended for it to be at the level of the bronchus . Endontracheal tube terminates 3 cm above the carina . Remaining monitoring and support devices appear unchanged .
    OUTPUT:
    
Interval improvement of pulmonary edema and repositioning of intra-aortic balloon pump for which withdrawal of 2 - 2 .5 cm is recommended . These findings were discussed with Dr . ___ by Dr . ___ via telephone on ___ at 11 a .m . , at time of discovery .