Assertion: coronary sinus | /r/HasProperty | unroofed
Facets:
value: into the left atrium
type: LOCATION
value: almost completely
type: DEGREE
Source sentences:
text: The surgeon noted that the coronary sinus was almost completely unroofed and repaired the defect with a pericardial patch over the mouth of the coronary sinus.
text: The coronary sinus is unroofed into the left atrium, and a patch is placed to close the atrial septum and coronary sinus to the left side (see the image below).