Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This patient is status post median sternotomy , mitral and aortic valve replacements . Heart size is normal . Mediastinal and hilar contours are within normal limits . Minimal scarring is seen within the right mid lung field . The lungs are clear . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities . Two clips project over the region of the right neck .
    OUTPUT:
    
No acute cardiopulmonary abnormality .