Table 1.

Clinical characteristics of patients with head and neck squamous cell carcinoma

Patients (Tn)	Age/gender	Tumor site	Pathological stage	Patients (Tm/Lm)	Age/gender	Tumor site	Pathological stage
No.				No.
1	48/M	Buccal mucosa	T4N0M0	1	35/F	Tongue	T2N1M0
2	49/F	Tongue	T3N0M0	2	42/M	Mandibular alveolar	T2N1M0
3	60/F	Buccal mucosa	T2N0M0	3	59/M	Buccal mucosa	T4N2bM0
4	35/M	Upper lip	T1N0M0	4	62/F	Mandibular gingival	T4N2bM1
5	64/F	Tongue	T2N0M0	5	63/F	Tongue	T2N1M0
6	61/M	Soft palate and buccal mucosa	T1N0M0	6	53/M	Buccal mucosa	T2N2aM0
7	73/M	Lower lip	T1N0M0	7	72/F	Tongue	T1N2aM0
8	81/M	Lower lip	T1N0M0	8	65/F	Tongue	T2N2bM0
9	69/F	Lower lip	T2N0M0	9	50/M	Tongue	T2N1M0
10	55/M	Tongue	T1N0M0	10	72/M	Mandibular gingival	T4N1M0
11	76/M	Buccal mucosa	T2N0M0	11	41/M	Tongue	T2N1M0
12	56/F	Mandibular gingiva	T1N0M0	12	48/M	Tongue and floor of mouth	T3N2bM0
13	68/F	Buccal mucosa	T2N0M0	13	70/M	Tongue	T3N1MO
14	42/M	Tongue	T2N0M0	14	74/M	Soft palate	T4N1M0
15	73M	Tongue	T1N0M0	15	45/M	Tongue	T4N2bM0
16	42/F	Tongue	T2N0M0	16	62/M	Tongue	T2N1M0
17	52/F	Tongue	T2N0M0	17	56/M	Floor of mouth	T4N2cM0
18	50/M	Tongue	T1N0M0	18	55/M	Tongue	T4N2M0
19	51/F	Mandibular gingival	T3N0M0	19	51/M	Buccal mucosa	T3N2aM0
20	51/M	Buccal mucosa	T3N0M0	20	58/F	Tongue	T2N1M0
21	63/F	Tongue	T2N0M0	21	51/M	Buccal mucosa	T1N1M0
22	55/M	Tongue	T2N0M0	22	50/M	Glottis	T2N3M0
23	62/F	Tongue	T2N0M0	23	49/M	Tongue	T2N2M0
24	58/F	Buccal mucosa	T4N0M0	24	75/M	Tongue	T4N1M0
25	79/M	Floor of mouth	T4N0M0	25	42/F	Tongue and floor of mouth	T4N1M0
26	52/M	Buccal mocosa	T2N0M0	26	68/F	Buccal mucosa	T4N2aM0
27	78/F	Mandibular alveolar	T2N0M0	27	62/M	Tongue	T3N2bM0
28	30/M	Tongue	T3N0M0	28	62/F	Mandibular gingival	T2N2M0
29	42/F	Mandibular gingival	T1N0M0	29	36/M	Tongue	T4N2aM0
30	56/M	Hard palate	T1N0M0	30	50/M	Tongue	T4N1M0