Assertion: sternum | /r/CapableOf | perform cardiothoracic surgery
Facets:
Source sentences:
text: The sternum is sometimes cut open (a median sternotomy) to gain access to the thoracic contents when performing cardiothoracic surgery.
text: The breastbone is sometimes cut open (a median sternotomy) to gain access to the thoracic contents when performing cardiothoracic surgery.