BCL6 and follicular lymphoma: Excisional biopsy of the right orbital mass showed follicular lymphoma grade 1: centrocyte or centroblast-like lymphoid cells in ill-defined geminal center-like structures (Figure 2A, 2B) were positive for CD20 (Figure 2C), negative for CD3 (Figure 2D), weakly positive for CD10 (Figure 2E), predominantly positive for BCL2 (Figure 2F) and BCL6 (Figure 2G).