MICA and cancer: Those in 62 incident HD patients with a cancer history were 0.026 (0.008-0.044) ng/mL, 0.628 (0.392-0.863) ng/mL, 319 (265-373) ng/mL, 0.398 (0.333-0.464) ng/mL, and 0.039 (0.010-0.067) ng/mL, respectively in MICA, MICB, ULBP-1, ULBP-2, and ULBP-3 (Figure 4).