Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of NG tube . Right PICC ends in the right atrium and could be withdrawn 3 cm in order for tip to end in the lower SVC . Persistent consolidation at the left base reflects moderate left pleural effusion . Rounded left retrocardiac opacity may reflect loculated pleural fluid or a rapidly developing lung abscess . Stable , mild cardiomegaly .
    OUTPUT:
    
Moderate left pleural effusion . Rounded left retrocardiac opacity may reflect loculated pleural fluid or a rapidly developing lung abscess .