Table 2.

ESD in the esophagus using the Hook-knife (KD-620LR) and in the stomach using the IT-knife2 (KD-611L)

Size of specimen	Procedural duration (min)	Site of ESD	Complications
Hook-knife (Esophagus)
30 mm × 20 mm	180	Lower	None
30 mm × 20 mm	160	Lower	None
30 mm × 20 mm	100	Lower	None
17 mm × 15 mm	90	Upper	None
30 mm × 30 mm	90	Mid	None
IT-knife2 (Stomach)
25 mm × 10 mm	150	Lesser curvature of antrum	None
35 mm × 30 mm	120	Antrum posterior wall	None
30 mm × 20 mm	90	Lesser curvature of antrum	None
40 mm × 10 mm	60	Lesser curvature of antrum	None
30 mm × 20 mm	43	Upper greater curvature	None