Ascites‐derived stromal cells and inflammation‐mediating cytokines present in acellular ascites fluid (AAF) such as interleukin‐6 (IL‐6), interleukin‐8 (IL‐8), interleukin‐10 (IL‐10) and chemokine‐ligand 18 (CCL18) have previously been shown to promote migration, angiogenesis, tumour growth and the development of chemoresistance [18, 19, 20, 21, 22, 23, 24, 25] but this has not been investigated systematically. Here, IL6 is linked to neoplasm.