SPDL1 and cancer: The median level of sPD-L1 in the women healthy control group was 9.52 pg/mL (IQR: 3.64–29.22), which was significantly lower than in groups of patients with breast (median: 49.51; IQR: 39.10–81.86) and ovarian (median: 42.37; IQR: 17.21–83.09) cancer (Table 1, Figure 1).