摘要: Despite the considerable achievements in immunology during past two decades, control of tumour development by effective immunotherapy is still not possible. This situation reflects complexity events that occur response to growth. Other chapters this book outline important advances made study macrophage function and developments monoclonal antibody production against tumour-associated antigens. In chapter role lymphocyte combating metastatic spread considered. Of importance, however, understanding influenced other cell types, hormones, products released cells much our current knowledge has stemmed from vitro experimentation. Caution must be exercised when interpreting results laboratory tests relating these their vivo relevance, since it possible mimic conditions environment imposes on activity.