The percentage of positive cells among individual patients ranges from 2.4–54.5% for SULF1 and 43.1–91.7% for SULF2 in tumor cells, and from 31.3–71.0% for SULF1 and 8.7–43.8% for SULF2 in fibroblasts (Figure 4B). Here, SULF1 is linked to neoplasm.