Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate bibasilar opacities consistent with patient 's history of aspiration . The cardiomediastinal contours are normal , and there is no upper zone redistribution concerning for pulmonary edema . No pleural effusion or pneumothorax is appreciated .
    OUTPUT:
    
Bibasilar opacities , left greater than right , concerning for aspiration . No evidence of pulmonary edema . No pleural effusions .