But not long after leaving the Government, he was found to have immunoblastic lymphoma, a kind of cancer.

B-cell immunoblastic lymphoma.

Kirn D, Mauch P, Shaffer K, et al.: Large-cell and immunoblastic lymphoma of the mediastinum: prognostic features and treatment outcome in 57 patients.

PCNSLs represent around 20% of all cases of lymphomas in HIV infections (other types are Burkitt's lymphomas and immunoblastic lymphomas).

There are three different varieties of AIDS-related lymphoma: Diffuse large B-cell lymphoma, B-cell immunoblastic lymphoma, and Burkitt's lymphoma (small non-cleaved cell lymphoma).