对消化道恶性肿瘤３３１例血清铁蛋白（ＳＦ）的测定结果进行分析，表明血清铁蛋白含量应用放免测定法除对原发性肺癌、胰腺癌等消化道的恶性肿瘤诊断具有较高的临床辅助诊断价值外，尤其对肺、脑、肝、骨等转移性癌的诊断与判断疗效及复发与否是一项具有较高临床价值的指标 Analysis of 331 cases of serum ferritin (SF) in digestive tract malignancies showed that serum ferritin content was applied radioimmunoassay in addition to high clinical assistance in the diagnosis of primary lung cancer, pancreatic cancer, and other digestive tract malignancies. Besides the diagnostic value, especially for lung, brain, liver, bone and other metastatic cancers, the diagnosis and judgment of curative effect and recurrence or not are indicators with high clinical value.