
In this Sept. 21, 2017, photo, Dr. David Song accompanied by nurse Christina Barra, right, examines Susan Wolfe-Tank’s arm for signs of lymphedema during a post-surgery checkup at MedStar Georgetown University Hospital in Washington. Wolfe-Tank underwent lymph node transfer surgery to ease the severe swelling, a lasting side effect of her breast cancer treatment. (AP Photo/Andrew Harnik)
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