Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The appearance of the large bore catheter are with stent is unchanged . There is volume loss most marked in the retrocardiac region is similar in appearance compared to prior an underlying infiltrate in the retrocardiac region can not be excluded . This also increased opacity at the right base slightly more prominent than prior .
    OUTPUT:
    
Volume loss in both lower lobes . An underlying infectious infiltrate ca n't be excluded . Appearance is slightly worse compared to prior