CXR
CT neck/chest/abdomen/pelvis
Lymph node biopsy
Reed-Sternberg cells next to normal lymphocytes
Reed-Sternberg cells next to normal lymphocytes
Hodgkin's lymphoma
Kaposi's sarcoma
Non-Hodgkin's lymphoma
Chronic lymphocytic leukemia
Mononucleosis
Tuberculous lymphadenitis
Toxoplasmosis
Multiple myeloma