How would you treat stage 3 lymphocyte-predominant Hodgkin Lymphoma that is CD20 negative ?

First, I would verify the diagnosis with molecular testing of some sort. It is my opinion that nodular lymphocyte-predominant Hodgkin's lymphoma is universally CD20 positive. The disease is also rarely in stage III. Is it possible that the diagnosis is really another entity such as T-cell-rich B-cel...