1. To summarize the nursing experience of Rhino endoscopic surgery.

2. Objective To study the endoscopic surgery for bleeding polyp in sinus maxillaris.

3. After examining resection or observation whether benign or malignant if found (or endoscopic surgery) has taken action paintings.

4. 6 Objective To investigate the diagnosis and endoscopic surgery of clival chordoma with cerebrospinal fluid rhinorrhea (CSFR) as initial symptom.