Histopathologic NLPHL variants according to Fan et al. (A) Pattern A: B cell–rich nodular, tumor cell–rich case with high numbers of LP cells in the nodules; (B) pattern B: serpiginous/interconnected; (C) pattern C: an infiltrate with prominent extranodular LP cells; (D) pattern D: a T cell–rich nodular pattern; (E) pattern E: a diffuse T cell/histiocyte–rich B-cell lymphoma–like pattern; and (F) pattern F: a diffuse, moth-eaten pattern. CD20-immunostaining, original magnification ×40.