Table 3 Number of harvested lymph nodes and postoperative complications of the patients

Number of lymph nodes (n, 11th JES map)

 106recR

3.10 ± 1.09

3.16 ± 1.18

0.676

 106recL

5.36 ± 1.35

3.07 ± 1.09

 < 0.001

 Middle and lower mediastinum

15.87 ± 15.26

15.13 ± 4.72

0.209

 Enterocoelia

8.37 ± 3.57

9.12 ± 4.27

0.085

Postoperative complications (n)

 RLN injury

31 (10.65%)

19 (18.63%)

0.038

 Pneumonia

14 (4.81%)

9 (8.82%)

0.137

 Anastomotic leakage

17 (5.82%)

7 (6.86%)

0.711

 Chyle leakage

6 (2.05%)

4 (3.92%)

0.305

 Others

6 (2.05%)

6 (5.88%)

0.054