Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright chest radiograph demonstrates bibasilar opacities new since prior study dated ___ . A metallic opacity is identified within the right parahilar region corresponding to right upper lobe solid nodule as identified on PET - CT performed ___ . There is no large pleural effusion , pneumothorax , or evidence of pulmonary edema . Cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Bibasilar opacities are new relative to prior examination , which in the appropriate clinical setting , are suggestive of infectious process .