Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a three - lead pacemaker / ICD device that appears unchanged . The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . The lungs appear clear . A chronic appearing deformity of the left humeral head appears unchanged with an adjacent calcification .
    OUTPUT:
    
No evidence of acute disease .