Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . A vague nodular opacity is new and projects over the right upper lung . A new rounded opacity projects over central lower lungs and hilar structures on the lateral view , a possibly nodule versus normal vascular structure .
    OUTPUT:
    
No evidence of acute disease . Possible new nodules ; evaluation with chest CT is recommended when clinically appropriate .