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Table 1 Pre- and postoperative pathological characters

From: Comparison of thoracolaparoscopic esophagectomy with cervical anastomosis with McKeown esophagectomy for middle esophageal cancer

 

ME group (n = 62)

TE group (n = 51)

p

Preoperative T stage

  

<0.0001#

 Tis

0 (0 %)

3 (5.9 %)

 

 T1

5 (8.1 %)

15 (29.4 %)

 

 T2

17 (27.4 %)

25 (49.0 %)

 

 T3

38 (61.3 %)

8 (15.7 %)

 

 T4

2 (3.2 %)

0 (0 %)

 

Preoperative N stage

   

 N0

18 (29.0 %)

31 (60.8 %)

0.001*

 N1

28 (45.2 %)

16 (31.4 %)

 

 N2

11 (17.7 %)

4 (7.8 %)

 

 N3

5 (8.1 %)

0 (0 %)

 

Preoperative M stage

   

 M0

61 (98.4 %)

51 (100 %)

0.362

 M1

1 (1.6 %)

0 (0 %)

 

Preoperative TNM stage

  

0.322

 IA

5 (8.1 %)

9 (17.6 %)

 

 IB

11 (17.7 %)

10 (19.6 %)

 

 IIA

12 (19.4 %)

10 (19.6 %)

 

 IIB

8 (12.9 %)

11 (21.6 %)

 

 IIIA

16 (25.8 %)

8 (15.7 %)

 

 IIIB

7 (11.3 %)

3 (5.9 %)

 

 IIIC

2 (3.2 %)

0 (0 %)

 

 IV

1 (1.6 %)

0 (0 %)

 

Postoperative T stage

  

0.001*

 Tis

0 (0 %)

2 (3.9 %)

 

 T1

11 (17.7 %)

11 (21.6 %)

 

 T2

13 (21.0 %)

27 (52.9 %)

 

 T3

37 (59.7 %)

11 (21.6 %)

 

 T4

1 (1.6 %)

0 (0 %)

 

Postoperative N stage

  

0.270

 N0

31 (50.0 %)

34 (66.7 %)

 

 N1

16 (25.8 %)

11 (21.6 %)

 

 N2

13 (21.0 %)

5 (9.8 %)

 

 N3

2 (3.2 %)

1 (2.0 %)

 

Postoperative M Stage

  

0.196

 M0

60 (96.8 %)

51 (100 %)

 

 M1

2 (3.2 %)

0 (0 %)

 

Number of removed LN

15.3 ± 3.2

17.8 ± 3.6

0.0002*

Vessel cancer embolus

15 (24.2 %)

14 (27.5 %)

0.693

Nerve invasion

11 (17.7 %)

8 (15.7 %)

0.771

Median mD (mm)

31.3 ± 4.2

28.8 ± 3.4

0.001*

Morphology

  

0.711

 Concealed

0 (0 %)

1 (2.0 %)

 

 Erosive

1 (1.6 %)

2 (3.9 %)

 

 Plaque

0 (0 %)

1 (2.0 %)

 

 Polypoid

1 (1.6 %)

0 (0 %)

 

 Medullary

26 (41.9 %)

18 (35.3 %)

 

 Fungating

9 (14.5 %)

6 (11.8 %)

 

 Ulcer

22 (35.5 %)

21 (41.2 %)

 

 Constrictive

3 (4.8 %)

2 (3.9 %)

 

Differentiation

  

0.626

 G1

6 (9.7 %)

4 (7.8 %)

 

 G2

25 (40.3 %)

27 (52.9 %)

 

 G3

28 (45.2 %)

18 (35.3 %)

 

 G4

2 (3.2 %)

2 (3.9 %)

 

 Gx

1 (1.6 %)

0 (0 %)

 

Postoperative TNM stage

  

0.197

 IA

6 (9.7 %)

8 (15.7 %)

 

 IB

5 (8.1 %)

9 (17.6 %)

 

 IIA

7 (11.3 %)

10 (19.6 %)

 

 IIB

12 (19.4 %)

11 (21.6 %)

 

 IIIA

17 (27.4 %)

7 (13.7 %)

 

 IIIB

10 (16.1 %)

5 (9.8 %)

 

 IIIC

3 (4.8 %)

1 (2.0 %)

 

 IV

2 (3.2 %)

0 (0 %)

 

Postoperative chemotherapy

42 (67.7 %)

28 (54.9 %)

0.162

Postoperative chemotherapy + radiotherapy

19 (30.6 %)

11 (21.6 %)

0.277

  1. ME McKeown esophagectomy, TE thoracolaparoscopic esophagectomy, T tumor, Tis tumor in situ, N node, M metastasis, LN lymph node, mD medium diameter, G grade
  2. *p < 0.05; # p < 0.0001