Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is a calcified nodule projecting over the superior segment of the right upper lobe suggesting a granuloma . There may be a small calcified lymph node on the right . Streaky opacities at the left lung base are unchanged and suggest very minor scarring . Otherwise the lungs remain clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .