Figure and Table | Under-gel Endoscopic Mucosal Resection without Injection: A Novel Endoscopic Treatment Method for Superficial Nonampullary Duodenal Epithelial Tumors

Table 1. Patient Characteristics.

Case	Age (years)	Sex	Tumor location	Tumor location relative to the duodenal papilla	Tumor size (mm)	Macroscopic type
1	67	Female	Second portion	Distal	10	IIc
2	58	Male	Second portion	Distal	10	IIa
3	80	Male	Second portion	Proximal	12	IIa
4	80	Male	Bulbs	Proximal	18	I
5	67	Male	Second portion	Distal	15	IIa
6	71	Female	Second portion	Proximal	7	IIc

Table 2. Outcomes of Under-gel Endoscopic Mucosal Resection without Injection.

Case	Endoscopist	En bloc resection	R0 resection	Procedure time (min)	Gel injection volume (ml)	Prophylactic clipping	Histological type	Lympho-vascular involvement	Horizontal/vertical margins
1	B	En bloc	R0	10	100	7	Adenoma	Negative	HM-, VM-
2	A	En bloc	RX	7	100	11	Adenoma	Negative	HMX, VM-
3	A	En bloc	R0	5	100	4	Intramucosal cancer	Negative	HM-, VM-
4	A	En bloc	R0	5	100	6	Intramucosal cancer	Negative	HM-, VM-
5	A	En bloc	R0	9	100	4	Intramucosal cancer	Negative	HM-, VM-
6	A	En bloc	R0	5	100	4	Intramucosal cancer	Negative	HM-, VM-