Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and ascending aortic graft repair . Heart size is normal . Dilatation of the descending thoracic aortic contours compatible with known dissection , unchanged . The hilar contours are unchanged . The pulmonary vasculature is not engorged . Lungs are clear without focal consolidation , pleural effusion or pneumothorax . Multiple clips project over the right axilla . The osseous structures are diffusely demineralized with continued dextroscoliosis .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Status post ascending aortic graft repair and unchanged dilatation of the descending thoracic aortic contour compatible with known dissection .