Post-chemo, CCL28, MUC4, BGN, and S100A11 were overexpressed in the metastatic tissues of resistant patients, whereas the 11 DEGs consisting of non-collagen genes were downregulated (Supplementary Fig. 3e; resistant n = 12, sensitive n = 23; see Supplementary Data 23 for shared DEGs and Supplementary Data 24 and 25 for ascites-derived cancer cells). Here, MUC4 is linked to cancer.