Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right subclavian PICC line is present , tip at distalmost SVC , near SVC / RA junction . No pneumothorax is detected . The heart is not enlarged . There is mild unfolding of the aorta . The patient 's known esophageal mass is not well depicted radiographically . A left main stem bronchus stent is present . There is no CHF . There is minimal atelectasis at the right base medially and in the retrocardiac region , with some focal patchy opacity in the lower lobe posteriorly , ? left lower lobe . This could correspond to the area of opacity seen on the ___ CT scan . No CHF . No other focal opacities are identified . No effusion .
    OUTPUT:
    
1 . Compared with ___ , the patchy opacity at the right base is new and the possibility of aspiration in this location can not be entirely excluded . 2 . The retrocardiac opacities are grossly unchanged .