In symptomatic patients aged 30 to 39, the PPVs for cancer associated with blood test abnormalities were lower; the only symptom/result combinations with PPVs >3% were for males with abdominal pain and either anaemia, low albumin, or low ferritin and females with either symptom and raised CA125 (Tables 3–6). The gene discussed is ALB; the disease is anemia (phenotype).