TFRC and cancer: Among the cancer patients, anemic patients showed significantly higher ferritin and sTfR level compared to non-anemic patients (166.7 ng/mL vs. 295.0 ng/mL for ferritin, p = 0.050; 0.69 ug/mL vs.1.28 ug/mL for sTfR, p = 0.009).