The Value of Surgery for Retroperitoneal Sarcoma

Table 1

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

Variable	𝑁	% of total
Sex
Female	18	44
Male	23	56
Age
<55 years	16	39
>55 years	25	61
Duration of symptoms
<6 months	25	61
>6 months	11	27
Unkown	5	12
Histological subtype
Liposarcoma	22	54
Leiomyosarcoma	7	17
Malignant fibrous histiocytoma	4	10
Other	8	19
Tumor size (maximum diameter)
<5 cm	2	5
5–10 cm	4	10
10–20 cm	18	44
>20 cm	17	41
Tumor grade
Low	17	41
High	24	59