Working formulation High-grade lymphoma H. mmunoblastic, large cell plasmacytoid clear cell polymorphous epithelioid cell component lymphoblastic, convoluted or nonconvoluted cell 3. small noncleaved cell. burkitt's or non-Burkitt'sWorking formulation High-grade lymphoma H. mmunoblastic, large cell plasmacytoid clear cell polymorphous epithelioid cell component I. lymphoblastic, convoluted or nonconvoluted cell J. small noncleaved cell, Burkitt's or non-Burkitt's