Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post mean sternotomy and CABG . Left - sided Port - A - Cath tip terminates in the proximal right atrium . Heart size is normal . The mediastinal and hilar contours are unchanged with mild calcified atherosclerotic disease noted throughout the aorta . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is demonstrated . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .