Clinical outcomes of endoscopic resection of superficial nonampullary duodenal epithelial tumors: A 10-year retrospective, single-center study

Table 2 Endoscopic treatment and complications for the 58 lesions

Treatment methods, n (%)
EMR	57 (98.3)
Snare polypectomy	1 (1.7)
Lesion size, mm, n (%)
Size < 10	20 (34.5)
10 ≤ size < 15	26 (44.8)
15 ≤ size < 20	7 (12.1)
20 ≤ size	5 (8.6)
Results of resection, n (%)
En bloc	39 (67.2)
Piecemeal	19 (32.8)
Adjunctive coagulation, n (%)	29 (50.0)
Prophylactic clip placement, n (%)	48 (82.8)
Complication, n (%)
Intraprocedural bleeding	16 (27.6)
Delayed bleeding	1 (1.7)
Perforation	0 (0)

EMR: Endoscopic mucosal resection.