"Ask the Expert” features answers by our experts to your clinical questions. Question: If a patient with early-stage Hodgkin’s lymphoma (IIA) develops one site of vertebral involvement by lymphoma, is radiation to the primarily involved lymph nodes still indicated, or will the line of treatment completely change to chemotherapy and vertebral irradiation?Answer: For the patient with stage IIA disease and one site of vertebral involvement by lymphoma, the exceptional case occurs when there is contiguous...