The aim of this lecture is to find a bridge between a current understanding of early events during oncogenesis and the complexity of cancer disease, whose development and course is a consequence of interactions on various levels, local as well as systemic between cancer cells and cellular components of patients surveillance and homeostasisi systems.
C.Radzikowski, Department of Tumor Immunology, L.Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Czerska St.12, 52-114 Wroclaw, Poland