From: Anastomotic leakage following resection of the esophagus—introduction of an endoscopic grading system
Grade
Patients, N
Median duration of treatment (days)
Healing of leakage, % (n)
1a
11
15 (9/31)
100 (11)
1b
9
25 (14/35)
88.9 (8)
2
7
27 (18/34)
71.4 (5)
3
1
n.d. (N = 1)
4