From: Anastomotic leakage following resection of the esophagus—introduction of an endoscopic grading system
Grade
Patients, N
Periop. mortality, % (N)
Development of fistulae, N
1a
12
8.3 (1)
0
1b
10
10 (1)
1
2
8
12.5 (1)
3
n.d. (N = 1)
4