Localized Angiosarcoma, Not One Disease: A Retrospective Single-Center Study on Prognosis Depending on the Primary Site and Etiology

Table 1

Patient characteristics for the cohort of localized angiosarcomas.

		N	%
Follow-up time	Median follow-up time: 19.1 months (0.1–428.0 months)	136
Age	Median age: 67 years (19–72.8 years)	136
	<70 years	78/136	57.4
	≥70 years	58/136	42.6
Sex	Female	81/136	59.6
	Male	55/136	40.4
Tumor size	≤5 cm	50/136	36.8
	>5 cm	19/136	14.0
	≥10 cm	21/136	16.2
	Unknown	45/136	33.1
Etiology	Primary	76/136	55.9
	Postradiation	55/136	40.4
	Chronic lymphedema	4/136	2.9
	Unknown	1/136	0.7
Localization	Cutaneous; (i) Head and neck; (ii) Others	37/136; 25/136; 12/136	27.2; 18.4; 8.8
	Breast	52/136	38.2
	Others (deep tissue); (i) Abdomen; (ii) Thorax; (iii) Limbs; (iv) Others	47/136; 15/136; 9/136; 16/136; 7/136	34.6; 11.0; 6.6; 11.8; 5.1
Lymph node	N0	87/136	64.0
	N1	8/136	5.9
	Nx	41/136	30.1
Margin status	R0	65/136	47.8
	R1	26/136	19.1
	R2	4/136	2.9
	Rx	23/136	16.9
	No surgery	18/136	13.2
Treatment	Only surgery	69/119	58.0
	Perioperative therapy	50/119	42.0
Metachronous metastasis	All	45/136	33.1
	Cutaneous	12/136	8.8
	Breast	15/136	11.0
	Others (deep tissue)	19/136	14.0