Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there are new opacities at both lung bases , left greater than right , likely reflecting aspiration given their dependent distribution and clinical history of suspected aspiration event . There is no pleural effusion or pneumothorax . Mediastinal widening is stable and due to benign fat deposition .
    OUTPUT:
    
New bibasilar opacities likely reflecting aspiration .