The management of malabsorption syndrome in PCM should involve the monitoring of nutritional biomarkers [57], including i) fat-soluble nutrients, such as vitamins A, D, E, and K, as well as serum cholesterol, and ii) water-soluble nutrients, such as iron (hemoglobin, ferritin, transferrin saturation), vitamin B12, plasma zinc, and serum albumin. The gene discussed is TF; the disease is malabsorption syndrome.