Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary edema is unchanged . Right basal opacification is slowly increasing and is worrisome for either infection or aspiration . Mediastinal contour enlargement seen in the chest CT of ___ is due to enlarged lymphadenopathy . On the previous chest CT , a consolidation of unknown etiology was seen in the posterior left upper lobe , possibly persistent on this chest x-ray . If clinically warranted , a repeat chest CT could be done to reassess this area .
    OUTPUT:
    
1 . Unchanged mild pulmonary edema . 2 . Increase in right basal consolidation which could represent pneumonia or aspiration as mentioned on yesterday 's chest x-ray . 3 . Known mediastinal lymphadenopathy . 4 . Repeat chest CT could be considered to reassess the left upper lobe consolidation described in the CT of ___ .