Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are opacities throughout the right lung . Left retrocardiac opacity obscures the left hemidiaphragm although this is only minimally increased since ___ . The left upper lung is relatively clear . Heart size is normal . The mediastinal contours are unremarkable with the limits of portable technique . Aortic arch is calcified . There is no pneumothorax or large pleural effusion .
    OUTPUT:
    
Opacities throughout the right lung are worrisome for multifocal pneumonia .