Table 3 Pathological characteristics after curative resection

Pathological TNM stage

0.711^b

  CR

1 (0.9)

1 (0.9)

  0

2 (1.7)

1 (0.9)

  I

30 (25.9)

27 (23.3)

  II

46 (39.6)

52 (44.8)

  III

37 (31.9)

35 (30.2)

T stage

0.641^c

  T0

1 (0.9)

1 (0.9)

  Tis

2 (1.7)

1 (0.9)

  T1

11 (9.5)

17 (14.6)

  T2

31 (26.7)

29 (25)

  T3

71 (61.2)

68 (58.6)

N stage

0.578

  N0

79 (68.1)

81 (69.8)

  N1

17 (14.7)

12 (10.4)

  N2

20 (13.8)

23 (12.9)

Grade of differentiation

0.687

  Well

12 (10.3)

18 (15.5)

  Moderate

80 (69.0)

75 (64.7)

  Poor

17 (1.7)

16 (13.8)

  Mucinous

5 (4.3)

6 (5.2)

  Unknown

2

1

Isolated lymph nodes

12.2 ± 3.5

13.5 ± 4.6

0.342

CRM

0.374^a

  Involved (≤1 mm)

8 (5.4)

4 (3.4)

  Noninvolved (>1 mm)

99 (85.3)

101 (87.1)

  Missing

9

11

Distal margin involved^c

0 (0)

1 (1.0)

1.000^a