Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains mildly enlarged . The mediastinal and hilar contours are stable . The pulmonary vascularity is not engorged . The lungs are clear . No pleural effusion or pneumothorax is present . Degenerative changes are seen within both acromioclavicular joints . There are no acute osseous abnormalities . Resection of the left sixth is redemonstrated .
    OUTPUT:
    
No acute cardiopulmonary process .