Figure 1: Mean level and positive rate of serum 2-microglobulin in Patients with various solid Cancer and controls. A. mean level of serum 2- microglobulin, 1.Thyriod Ca.,2.Breast Ca,.3.Liver Ca.,4.Gastric Ca., 5.EsophagusCa.,6. Intestinal Ca.,7.Lung Ca.,8.Controls, VI p<0.05. B. positive rate of serum 2-microglobulin, 1.Thyriod Ca.,2.Breast Ca,.3.Liver Ca.,4.Gastric Ca.,5. EsophagusCa.,6.Intestinal Ca.,7.Lung Ca.,8.Controls VI VI P<0.01.