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Table 2 Grade of leakage and endoscopic appearance

From: Anastomotic leakage following resection of the esophagus—introduction of an endoscopic grading system

Grade

Dehiscence of anastomosis

Cavity

Tubular stomach

1a

< ¼ of the circumference

No

Rosy

1b

< ¼ of the circumference

Yes

Rosy

2

> ¼ of the circumference

Yes

Rosy

3

Yes/no

Yes/no

Necrotic mucosa

4

Yes/no

Yes/no

Necrotic wall