Assertion: frontal sinus | /r/HasProperty | difficult to access
Facets:
value: extremely
type: DEGREE
Source sentences:
text: However, the frontal sinuses are extremely difficult to access without the wide opening that the MEL procedure creates.
text: In the era of image-guided endoscopic sinus surgery, OFSO is still an important component of a graduated approach to the frontal sinus, and a useful tool both in salvage and first-line surgery for chronic frontal sinusitis and frontal sinus mucocele, specifically a disease that involves the far lateral recesses of the frontal sinus which would be difficult to access endoscopically, the presence of anterior frontal sinus wall erosion, and the individual surgeon’s experience.