Table 2.

Tumors histopathologic characteristics (TNM).

	n (56)	(%)
T
T0	12	21.4
T1	6	10.7
T2	15	26.8
T3	23	41.1
N
N0	38	67.9
N1	5	8.9
N2	6	10.7
NX	7	12.5
TRG
I	15	26.8
II	8	14.3
III	19	33.9
IV	13	23.2
V	1	1.8
R (residual cr after resection)
0	51	91
1	3	5.4
2	2	3.6