Assertion: frontal sinus | /r/HasProperty | involved
Facets:
value: less often
type: DEGREE
value: most frequently
type: DEGREE
Source sentences:
text: The frontal sinuses are most frequently involved (60%).
text: The frontal sinuses are less often involved and the sphenoid sinuses are rarely affected.
text: The frontal sinuses are less often involved and the sphenoid sinuses are rarely affected.