Table 1.

Patient demographics and intervention data.

	Patient series
	ZJ	XSL	HJX	ZHB	ZZX	LQL
Cancer	Endometrial cancer	Cervical Cancer	Cervical Cancer	Cervical Cancer	Cervical Cancer	Cervical Cancer
Therapy	Surgery Radition	Surgery Radition	Radition Surgery	Surgery Radition	Surgery Radition	Radition Surgery
Clinical presentation	limb edema limb pain hydronephrosis	limb edema limb pain	limb edema limb pain	limb edema limb pain	limb edema limb pain hydronephrosis	limb edema limb pain
With DVT	Yes	No	Yes	No	Yes	Yes
Stenosis position	right external iliac vein	right external iliac vein	right external iliac vein	right external iliac vein	left external iliac vein	right external iliac vein
Endovascular therapy	Thrombolysis stent	Stent	Thrombolysis stent	Stent	Thrombolysis stent	Thrombolysis stent
Balloon (max diameter)	8/40mm INVATEC	12/40mm INVATEC	12/40mm INVATEC	12/40mm INVATEC	12/40mm INVATEC	12/40mm INVATEC
Stent	Complete SE 10/80mm	Wallstent 14/90mm	Wallstent 14/90mm	Wallstent 14/90mm	Wallstent 14/90mm 14/60mm	Wallstent 14/90mm
Complication and treatment	pain	pain	pain	pain	Iliac vein rupture balloon insertion placement into another stent	pain
Residual stenosis	No	No	No	No	No	No
2 year-Follow up	US	US	US	US	US	US
Stent patency	Yes	Yes	Yes	Yes	Yes	Yes