Factors Associated with the Technical Success of Bilateral Endoscopic Metallic Stenting with Partial Stent-In-Stent Placement in Patients with Malignant Hilar Biliary Obstruction

Table 1

SEMSs used in this study.

	Diameter of delivery system (Fr)	Type
			Diameter of SEMS (8 mm)	Diameter of SEMS (10 mm)
WallFlex Biliary	8	Braided	1	2
Niti-S large cell D-type stent	8	Braided	0	1
X-suit NIR	7.5	Laser-cut	0	10
Zeo stent plus	7.2	Laser-cut	2	8
Bonastent	7	Braided	0	1
Zilver 635	6	Laser-cut	0	4
BileRush Selective	5.7	Laser-cut	0	18