Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right costophrenic sulcus is partly excluded on the PA view . The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . The lungs appear clear . Surgical clips project over the right upper quadrant .
    OUTPUT:
    
No evidence of acute disease .