Table 1. Angiosarcomas in patients following breast cancer treatment

 

Angiosarcoma

Etiology

Location

Onset following radiotherapy

Associated Lymphedema

Reference

Radiation-induced

Prior radiation

Radiation port (chest)

6 years after treatment

No

3

Stewart-Treves syndrome

Surgically-induced

Ipsilateral limb (upper extremity)

10-15 years after treatment

Yes

6