Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right subclavian central line with tip over proximal SVC . No pneumothorax detected . Inspiratory volumes are low . Allowing for this , the heart is not enlarged . Apparent upper zone redistribution is likely accentuated by low inspiratory volumes . Doubt CHF . There is patchy opacity at the right base medially and minimal atelectasis at the left base . Appearances at the right base are more pronounced than on ___ and raise the possibility of a pneumonic infiltrate . The right hilum also appears somewhat more prominent on today 's exam . No effusions identified . Right hemidiaphragm slightly elevated .
    OUTPUT:
    
Patchy opacity at the right base with prominence of the inferior right hilum , more pronounced than on ___ . Although this could be accentuated by low inspiratory volumes , the possibility of an early pneumonic infiltrate can not be excluded .