Table 2.

Initial treatment characteristics of 41 patients with primary retroperitoneal sarcoma who underwent surgical resection at Stanford Hospital from 1996 to 2007.

Variable	N	% of total
Resection
R0/R1	38	93
R2	3	7
Contiguous organs resected
Yes	28	68
No	13	32
Radiation therapy
Preoperative	1	2
Intraoperative/postoperative	15	37
Both (preoperative and postoperative)	3	7
None	22	54
Chemotherapy
Neoadjuvant	5	12
Adjuvant	2	5
Both	1	2
None	33	81