Table 2 Perioperative characteristics

Pathology grade, No. (%)

    3 + 4

3 (13)

2 (29)

1 (6)

    4 + 3

4 (17)

1 (14)

3 (18)

    4 + 4

3 (13)

0 (0)

3 (18)

    4 + 5

4 (17)

0 (0)

4 (24)

    5 + 4

1 (4)

0 (0)

1 (6)

Indeterminate^a

9 (37)

4 (57)

5 (29)

pT stage, No. (%)

    pT0

2 (8)

0 (0)

2 (12)

    pT2

4 (17)

2 (28)

2 (12)

    pT2c

2 (8)

0 (0)

2 (12)

    pT3a

4 (17)

3 (43)

1 (6)

    pT3b

11 (46)

2 (29)

9 (53)

    pT4

1 (4)

0 (0)

1 (6)

pN stage, No.(%)

    pN0

6 (25)

3 (43)

3 (18)

    pN1

18 (75)

4 (57)

14 (82)

EBL, median (IQR), mL

100 (50–200)

50.0 (50–125)

150 (100–200)

Total lymph nodes, median (IQR)

20.5 (14–25)

20.0 (13.5–21)

21 (14–28)

Positive lymph nodes, median (IQR)

1.5 (0.8–6.8)

1 (0–2.5)

3 (1–9)

Surgical margins, No. (%)

    Negative

15 (63)

5 (71)

10 (59)

    Positive

9 (38)

2 (29)

7 (41)