Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is diffusely calcified . Mediastinal and hilar contours are unremarkable . Lungs are hyperinflated . Ill - defined opacities are noted within both lung bases concerning for multifocal pneumonia or aspiration . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Osseous structures are diffusely demineralized .
    OUTPUT:
    
Bibasilar airspace opacities concerning for multifocal pneumonia or aspiration . Followup radiographs after treatment are recommended to ensure resolution of this finding .