Table 1. Patient demographics, tumor characteristics, and treatment modality.

Patient no.	Age (years)	Gender	TNM stage	Kadish stage	Hyams grade	Treatment protocol	Final status	Follow-up (months)
1	48	F	T3N0M0	C	Ⅱ	R+S	Died	56
2	27	M	T2N0M0	B	Ⅱ	R+S	Alive	104+
3	36	M	T3N0M0	C	Ⅲ	R+C	Died	65
4	43	M	T3N0M0	C	Ⅲ	R+EES	Alive	52+
5	24	F	T3N0M0	C	Ⅱ	R+EES	Died	89
6	54	M	T4N1M1	D	Ⅲ	R+C+D	Died	29
7	63	F	T3N0M0	C	Ⅱ	R+EES	Alive	116+
8	15	M	T1N0M0	B	Ⅱ	R+EES	Alive	63+
9	58	M	T1N0M0	A	Ⅰ	EES	Alive	90+
10	33	F	T3N1M0	D	Ⅲ	R+EES+D	Died	23
11	38	F	T1N0M0	B	Ⅲ	EES+R	Alive	109+
12	47	M	T2N0M0	C	Ⅲ	EES+R	Died	91
13	69	M	T4N1M1	D	Ⅲ	R+C	Died	46

Abbreviation: F: female; M: male; EES: endoscopic endonasal surgery; R: radiotherapy; C: chemotherapy; D: neck dissection.