Table 3.

Complications in the preoperative phase

Case	Anastomotic stenosis	Endoscopic dilation	Mounted attachment	Attaching overtube	Food residue
1	–	–	Possible	Possible	–
2	–	–	Possible	Possible	–
3	+	+	Possible	Impossible	+
4	+	+	Possible	Possible	–
5	+	+	Impossible	Impossible	–
6	–	–	Possible	Impossible	–
7	+	+	Possible	Impossible	–
8	–	–	Possible	Possible	+
9	–	–	Possible	Impossible	+
10	+	+	Possible	Impossible	+
11	–	–	Possible	Possible	–