Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear . There are no pleural effusions or pneumothorax . Similar mild relative elevation of the right hemidiaphragm compared to the left is mild and unchanged . A partly visualized deformity of the right shoulder is probably chronic and post-traumatic . There has been no significant change .
    OUTPUT:
    
No evidence of acute disease .