Table 2 Comparison of clinicopathological features between patients with cervical oesophageal cancer and patients with thoracic or abdominal oesophageal cancer who underwent surgery.

From: Clinicopathological features and surgical treatment of cervical oesophageal cancer

Ā 

CEC

T/A oesophageal cancer

P-value

Gender

Ā Ā 

1.000

Ā Ā Male

21 (75.0%)

2964 (75.0%)

Ā 

Ā Ā Female

7 (25.0%)

986 (25.0%)

Ā 

Age(years)

Ā Ā 

0.697

  ≤60

19 (67.9%)

2487 (63.0%)

Ā 

Ā Ā >60

9 (32.1%)

1463 (37.0%)

Ā 

Tumour length

Ā Ā 

0.079

  ≤4 cm

15 (53.6%)

1463 (37.0%)

Ā 

Ā Ā >4 cm

13 (46.4%)

2487 (63.0%)

Ā 

Histology

Ā Ā 

1.000

Ā Ā SCC

27 (96.4%)

3804 (96.3%)

Ā 

Ā Ā Others

1 (3.6%)

146 (3.7%)

Ā 

Tumour cell differentiation

Ā Ā 

0.471

Ā Ā Well

11 (39.3%)

1321 (33.4%)

Ā 

Ā Ā Moderate

12 (42.9%)

2129 (53.9%)

Ā 

Ā Ā Poor

5 (17.9%)

500 (12.7%)

Ā 

pT category

Ā Ā 

1.000

Ā Ā pT0–2

7 (25.0%)

1069 (27.1%)

Ā 

Ā Ā pT3–4

21 (75.0%)

2881 (72.9%)

Ā 

pN category

Ā Ā 

0.850

Ā Ā pN0

14 (50.0%)

2092 (53.0%)

Ā 

Ā Ā pN1

14 (50.0%)

1858 (47.0%)

Ā 

pTNM stage

Ā Ā 

0.187

Ā Ā 0–II

10 (35.7%)

1934 (49.0%)

Ā 

Ā Ā III–IV

18 (64.3%)

2016 (51.0%)

Ā 

Resection margin

Ā Ā 

0.763

Ā Ā R0

26 (92.9%)

3509 (88.8%)

Ā 

Ā Ā R 1–2

2 (7.1%)

441 (11.2%)

Ā 

Preoperative therapy

Ā Ā 

<0.001

Ā Ā None

18 (64.3%)

3559 (90.1%)

Ā 

Ā Ā Chemotherapy

0 (0%)

7 (0.2%)

Ā 

Ā Ā Radiotherapy

2 (7.1)

193 (4.9%)

Ā 

Ā Ā Chemoradiotherapy

8 (28.6)

191 (4.9%)

Ā 
  1. Abbreviations: CEC, cervical oesophageal cancer; pT category, pathologic T category; pN category, pathologic N category; pTNM stage, pathologic TNM stage; R0, complete tumour resection; R1, microscopic residual tumour; R2, macroscopic residual tumour; SCC, squamous cell carcinoma; and T/A, thoracic or abdominal. The TNM stage was based on the sixth edition of the American Joint Committee on Cancer staging system for oesophageal cancer.