Age (years)

M ± SD

67.1 ± 9.1

Tumor

Rank

N (%)

T1

1

4 (6.3)

T2

2

14 (22.2)

T3

3

29 (46.0)

T3b

4

3 (4.8)

T3d

5

1 (1.6)

T4

6

6 (9.5)

T4a

7

4 (6.3)

T4b

8

2 (3.2)

Lymph node

N (%)

N0

1

19 (30.2)

N1

2

3 (4.8)

N1a

3

5 (7.9)

N1b

4

8 (12.7)

N1c

5

6 (9.5)

N2

6

6 (9.5)

N2a

7

7 (11.1)

N2b

8

9 (14.3)

Metastasis

N (%)

M0

1

7 (11.1)

M1

2

24 (38.1)

M1a

3

1 (1.6)

M1b

4

3 (4.8)

M2

5

21 (33,3)

M3

6

7 (11.1)

Grading

N (%)

1

1

5 (7.9)

2

2

47 (74.6)

3

3

11 (17.5)