TABLE 1.

Characteristics of 2041 Patients Age ≥ 16 Undergoing Resection of Low Grade Sarcoma with Curative Intent

Characteristic		Number (N=2041)	%
Gender	Male	952	47
	Female	1089	53
Age at Diagnosis		Median 48 (16 – 93)
Presentation Status	Primary Disease	1665	82
	Locally Recurrent	376	18
Site	Extremity	937	46
	Retroperitoneal/Intraabdominal	328	16
	Trunk	315	15
	Thoracic	159	8
	Visceral¶	154	8
	Other†	148	7
Histology	Liposarcoma	731	36
	Desmoid/Fibromatosis¶¶	377	18
	Dermatofibrosarcoma Protuberans (DFSP)	191	9
	Malignant Fibrous Histiocytoma	181	9
	Leiomyosarcoma	128	6
	Solitary Fibrous Tumor/Hemangiopericytoma	113	5.5
	Fibrosarcoma	91	4.5
	Chondrosarcoma††	34	2
	Endometrial Stromal Sarcoma	34	2
	Other¶¶¶	163	8
Primary Tumor Size	≤ 5 cm	723	35
	5-10 cm	539	26
	> 10 cm	678	33
	Unknown	101	5
Depth	Deep	1576	77
	Superficial	448	22
Margin Status	R0	1391	68
	R1	463	23
	R2	105	5
	Unknown	82	4
Radiotherapy	Primary Tumor	292	14
	Recurrent Disease	196	10
Chemotherapy	Primary Tumor	65	3
	Recurrent Disease	156	8
Disease Recurrence	Local	667	33
	Distant	171	8
	Both	120	6
Status at Last Follow- Up	No evidence of disease	1486	73
	Alive with disease	135	7
	Dead of other causes	239	12
	Dead of disease	181	9

Because of rounding, not all percentages sum to 100.

^¶Includes gynecologic 65/154 (42%), gastrointestinal 61/154 (40%), and genitourinary 28/154 (18%).

^†Includes head and neck 121/2041 (6%) and skin 27/2041 (1%).

^¶¶Analyses performed excluding patients with desmoids/fibromatosis obtained similar results.

^††Includes extraskeletal myxoid chondrosarcoma 33/34 (97%), mesenchymal chondrosarcoma 1/34 (3%).

^¶¶¶Comprises 19 histologic subtypes including cystosarcoma phyllodes, sarcoma NOS (not otherwise specified), malignant peripheral nerve sheath tumor, angiosarcoma, follicular dendritic cell tumor, synovial sarcoma, and malignant mesenchymoma among others.