Table 1.

Brief information of the 40 patients recruited for IHC analysis

Variable	Age		Grade		Stage		T				N		M
	<70	≥ 70	High grade	Low grade	I–II	III–IV	T1	T2	T3	T4	N0	N1	M0	M1
N	21	19	29	11	35	5	22	13	3	2	37	3	39	1
Male	18	9	19	8	23	4	14	9	2	2	25	2	26	1
Female	3	10	10	3	12	1	8	4	1	0	12	1	13	0