Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nasogastric tube in situ projecting over the stomach . Right - sided PICC line in situ with the tip in the mid to distal SVC . Heart size is normal . The multifocal airspace opacification in keeping with aspiration pneumonia shows mild improvement over serial radiographs . Small left - sided effusion again noted .
    OUTPUT:
    
Mild interval improvement in the multifocal aspiration pneumonia compared to previous serial imaging .