Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are vague opacities in the left mid and right lower lungs , which suggest pneumonia or potentially aspiration pneumonitis . The heart is probably at the upper limits of normal size . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Vague lung opacities concerning for pneumonia . In the appropriate clinical setting , aspiration pneumonitis could also be considered .