Table 1.

Characteristics of patients treated by SLN biopsy

Patients	Age	Tumor site	cT	cN	Stage	SLN (n)	Pos nodes ND	Localization	Type ND
1	56	Tongue	cT1	cN0	I	1	0	II
2	65	Floor of the mouth	cT2	cN0	II	2	0	II
3	67	Tongue	cT2	cN0	II	1	1	II	I + II + III + V
4	71	Tongue	cT2	cN0	II	3	3	I + II	I + II + II + V
5	67	Tongue	cT2	cN0	II	3	3	II + III + V	II + III + V
6	51	Tongue	cT2	cN0	II	2	1	II + IV	II + III + IV + V
7	70	Floor of the mouth	cT2	cN0	II	2	0	III
8	62	Floor of the mouth	cT2	cN0	II	1	0	I
9	62	Floor of the mouth	cT2	cN0	II	1	0	I
10	64	Oropharynx	cT1	cN0	I	3	3	II	I + II + III + IV
11	64	Oropharynx	cT2	cN0	II	1	0	V
12	51	Floor of the mouth	cT2	cN0	II	1	0	II
13	51	Floor of the mouth	cT1	cN0	II	3	0	II
14	52	Oropharynx	cT1	cN0	I	1	0	II
15	73	Oropharynx	cT2	cN0	II	1	0	II
16	79	Oropharynx	cT1	cN0	I	1	0
17	66	Tongue	cT2	cN0	II	2	0	II + V
18	46	Floor of the mouth	cT1	cN0	I	1	0	III
19	54	Floor of the mouth	cT1	cN0	I	2	0	II
20	63	Floor of the mouth	cT1	cN0	I	1	0	II
21	58	Floor of the mouth	cT2	cN0	II	2	0	II
22	57	Oropharynx	cT1	cN0	I	1	0	III
23	62	Floor of the mouth	cT2	cN0	II	1	0	II
24	79	Floor of the mouth	cT2	cN0	II	3	0	II
25	72	Oropharynx	cT1	cN0	I	1	0	III
26	73	Oropharynx	cT1	cN0	I	1	1	III	II + III + IV + V
27	68	Oropharynx	cT1	cN0	I	1	0	III
28	66	Oropharynx	cT2	cN0	II	1	0	III
29	58	Oropharynx	cT2	cN0	II	1	0	III
30	62	Tongue	cT2	cN0	II	1	0	II
31	52	Tongue	cT2	cN0	II	1	0	III

Abbreviations: cT, clinical T stage; cN, clinical N stage; SLN (n), number of sentinel lymph nodes (SLN) detected; Pos nodes, number of positive nodes detected; Localization, neck level where sentinel positive sentinel lymph node was detected; Type ND, neck levels included in neck dissection.