A young boy came with dyspnea and was found to have a mediastinal mass. Which of the following is known to produce mediastinal lymphadenopathy?: (A) Diffuse large B cell Lymphoma, (B) B cell rich T cell lymphoma, (C) Mediastinal rich B cell lymphoma, (D) T cell Lymphoblastic ALL
Answer is D. mediastinal lymphadenopathy ,sternal tenderness and mediastinal mass are seen with ALL.