IL6 and ovarian cancer: Moreover, we further performed a cytokine array analysis, and HM‐macrophages coculture caused a significant increase in many inflammatory cytokines (G‐CSF, GM‐CSF, sICAM1, IL‐α, IL‐1β, IL‐1RA, IL‐6, CCL3, and TNFα), which are known to be abundantly present in ovarian cancer ascites (Figure 4l).[30]