FUT4 and Hodgkins lymphoma: In cases in which atypical cells are identified, as in the Reed-Sternberg-like cells of Figure 2, a combination of LCA, CD20, EBV, CD15, and CD30 will help to rule out Hodgkin's lymphoma; the atypical Reed-Sternberg-like cells will be positive for LCA, CD20, EBV, with or without positivity for CD30 (a cellular activation marker), and negative for CD15.