The lower brachial plexus may be damaged as a result of irradiation of the axilla for breast carcinoma. The most likely cause is entrapment due to fibrosis. Onset may be delayed by 5-30 months following treatment.
It is distinguished from direct metastasis by the less severe pain, a less widespread lesion, and the absence of a Horner's syndrome.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.