肿瘤免疫学的研究只有十余年的历史,但进展非常迅速。近年来,不仅在肿瘤免疫机制方面提出了一系列的论述,而且已经开辟了免疫诊断与免疫疗法这样崭新的概念,并应用于临床。免疫疗法已被认为是治疗肿瘤的第四手段,即在传统治疗肿瘤三大手 The study of tumor immunology has only a history of more than ten years, but it has progressed very rapidly. In recent years, not only a series of discussions have been made on the mechanism of tumor immunity, but also new concepts such as immunodiagnostics and immunotherapy have been opened up and applied in clinical practice. Immunotherapy has been considered as the fourth treatment of cancer, that is, the three major traditional cancer treatment