The most common site of enlargement of the lymph nodes in Hodgkin's lymphoma is: (A) Cervical, (B) Axillary, (C) Mediastinal, (D) Abdominal
Answer is C. In about 50% of patients who have both Hodgkin's and non-Hodgkin's lymphoma, the mediastinum may be the primary site." Ref : Schwaz 9/e p575