37.A 61-year-old woman presents to the pain clinic with a chief complaint of left shoulder and arm pain for
3 years after undergoing radiation therapy for breast cancer. Physical examination reveals lymphedema of
the left axilla with noticeable skin changes. Examination of the left supraclavicular area precipitates a
sharp pain that radiates down her left arm. Which of the following is likely diagnosis for her clinical
presentation ?
(A) Radiation-induced plexopathy
(B)Tumor metastasis
(C) Reflex sympathetic dystrophy
(D) Cervical radiculopathy
(E) Thrombangiitis obliterans