Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The support devices are unchanged and in good position . Given for differences in technique , small right apical pneumothorax is stable . The left moderate pneumothorax appears larger , however this is likely due to the patient 's more erect positioning . Mild pneumomediastinum and subcutaneous emphysema are stable . There is improved aeration of the lungs with persistent multifocal opacities in the lower lobes bilaterally .
    OUTPUT:
    
Considering technical differences and patient positioning , persistent bilateral pneumothoraces and pneumomediastinum are stable in appearance . Multifocal airspace opacities in the lower lobe have developed since trauma on ___ , suggestive of aspiration pneumonia or infection .