Five cancer prevention items include-

alpha-fetoprotein (reference value <: 21ng/ml)

serum carcinoembryonic antigen (CEA reference value 15mg/ml)

B2 microglobulin (reference value 2.1-1.52 mg/l)

ferritin (reference value 21.8-34.7 μ mol/l)

prostate specific antigen (reference value <: 21μg/L) or estradiol (reference value <; 11pmol/L)