Table 2. Outcomes of deep colonic endoscopic submucosal dissection.

Scope operability during ESD (using ST-CB1)
Good	11 (55)
Poor	9 (45)
Paradoxical movement, n (%)	0 (0)
Poor control with adhesions, n (%)	0 (0)
Lesion movement with heartbeat or breathing, n (%)	9 (0)
Resection
En bloc resection, n (%)	19 (95)
Histological en block resection, n (%)	20 (100)
Procedure time (min), mean (range)	141 (30 – 330)
Degree of submucosal fibrosis, n (%)
Mild	9 (45)
Severe	11 (55)
Complication
Delayed bleeding, n (%)	0 (0)
Perforation, n (%)	1 (5)