Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are ill - defined opacities involving the upper lobes bilaterally as well as the right middle lobe , which likely represents multifocal pneumonia . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Ill - defined opacities involving the upper lobes bilaterally , and the right middle lobe , which likely represents multifocal pneumonia .