Figure 9. Macrophages, cytokines and ovarian cancer. Epithelial inclusion cysts (EIC), showing infiltration of the cyst wall (A) and lumen (B) by CD68 positive MDC (arrows), ciliated cells (arrowheads), and Ki67 positive (arrow in C) proliferating cells. Immunohistochemical staining of cancerous ovarian tissues for IL-6. (D) and TNF-alpha (E) (x400). A-C adapted from Ref. [