Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The IABP terminates approximately 1 .5 cm from the arch of aorta . The lungs are well expanded and clear . The cardiomediastinal silhouette , hilar contours and pleural surfaces are unchanged . The heart is top normal . There is no focal airspace opacity .
    OUTPUT:
    
IABP at the arch of the aorta should be withdrawn 2 - 3 cm to place it in the proximal descending aorta . Results were telephoned to Dr . ___ By Dr . ___ at 11 : 55 on ___ , ___ min after discovery .