story of Gregory Aune, who was treated for Hodgkin’s lymphoma at age sixteen with a combination of drugs and radiation. He saw many of the patients in his ward die. Now forty-six, he has had to deal with hypothyroidism, diabetes, skin cancer, infertility, open-heart surgery, and a stroke, all tied to the treatments he received. Now a pediatric oncologist, he is pushing for more awareness of the aftermath. “The toxicity of the treatment has hung with me,” he says.