Pathological examination results

<8% weight loss group

≥8% weight loss group

P-Stage I

2

1

II

5

4

III

5

4

IVa

1

0

Postoperative complications

Hoarseness

6

9

Recurrent nerve paralysis

0

6 *

Aspiration pneumonia

1

5 *

Reflux symptoms

0

0

Passage disorder

1

0

Anastomotic leakage

4

2