Does St. John’s Wort cause regression in gastrointestinal system adenocarcinomas?

Figure 2 Germinal centers of some lymphoid follicles had giant cells and increased number of plasma cells in inter-follicular areas. A: Giant cells were detected in germinal centers of some lymph nodes (HE × 20); B: Interfollicular areas of some lymph nodes had increased number of plasma cells (HE × 10); C: Giant cells were stained with CD68 immunohistochemically (anti-CD68 × 10).