Table 1.

The clinic-pathological features of the patients

	Total (n = 56)		Neck node metastasis
	n	(%)	n	(%)
T1	–	–	–	–
T2	22	39.3	6	27.3
T3	24	42.8	13	54.2
T4	10	17.9	4	40
Cath-D + (50% and up)	8	14.3	6	75
Cath-D − (Lower than 50%)	48	85.7	17	35.4
E-Cath 25% (negative)	9	16.1	5	55.6
E-Cath 25–75% (reduced)	32	57.1	13	40.6
E-Cath 75% (protected)	15	26.8	5	33.3
Cath-D + E-Cath 25%	2	3.6	2	100
Cath-D + E-Cath 25–75%	5	8.9	4	80
Cath-D + E-Cath 75%	1	1.8	0	0
Cath-D − E-Cath 25%	7	12.5	3	42.9
Cath-D − E-Cath 25–75%	27	48.2	9	33.3
Cath-D − E-Cath 75%	14	25	5	35.7

The metastatic neck lymph nodes rates were found in patients according to Cathepsin D, E-Cadherin expression levels and T stages