Management of retroperitoneal sarcoma involving the iliac artery: Single-center surgical experience

Table 1 Clinicopathological data of patients who underwent tumor resection combined with vascular reconstruction

Variable	No. of cases	Mean (range)
Sex (female vs male)	8/7
Age (< 60 yr vs ≥ 60 yr)	11/4	52 (12-73)
Histologic subtype
LPS	8
LMS	2
UPS	2
Other	3
Primary/recurrent	9/6
Organs resected		1.3 (0-4)
Artery reconstruction type
Unilateral iliac artery	10
Bilateral iliac artery	5
IVC partial resection/transection	2/1
Common/internal iliac vein ligation	3/1
Volume of blood loss (mL)		1700 (500-5000)
Volume of transfused blood (mL)		743 (0-3150)
Postoperative vascular complications	2

IVC: Inferior vena cava; UPS: Undifferentiated pleomorphic sarcoma; LPS: Liposarcoma; LMS: Leiomyosarcoma.

Table 2 Clinicopathological data of the four patients who died

	Sex	Age	Tumor type	Pathology	DFS (mo)
Case 1	Female	50	Primary	UPS	9
Case 2	Male	51	Recurrent	LPS	4
Case 3	Male	71	Primary	LMS	19
Case 4	Male	54	Recurrent	UPS	7

DFS: Disease free survival; UPS: Undifferentiated pleomorphic sarcoma; LPS: Liposarcoma; LMS: Leiomyosarcoma.