Table 1. Patients’ clinical information.

Clinical Characteristics	All	AD	SCC	AD-SCC	Others
Gender	297	156	129	4	8
Female	86	81	3	1	1
Male	211	75	126	3	7
Age	297	156	129	4	8
< 65	161	102	52	1	6
≥ 65	136	54	77	3	2
Smoking Status	297	156	129	4	8
Ever smoker	169	55	104	3	7
Never smoker	128	101	25	1	1
Tumor Grade	297	156	129	4	8
1	14	7	6	0	1
2	168	86	79	2	1
3	111	60	43	2	6
4	4	3	1	0	0
Clinical Stage	297	156	129	4	8
I-IIIa (resectable)	206	94	101	4	7
IIIb-IV (non-resectable)	91	62	28	0	1
T	297	156	129	4	8
1	22	16	6	0	0
2	164	82	77	0	2
3	61	26	28	3	6
4	50	32	18	1	0
N	297	156	129	4	8
0	83	53	28	1	1
1	72	27	40	1	4
2	110	54	52	2	2
3	32	22	6	0	1
M	297	156	129	4	8
0	224	100	113	4	7
1	73	56	16	0	1