Despite our original intention to publish all the contributions in one book, it became necessary to divide them: Part 1 focuses on the involved nodal compartments, cell types, and functions, while Part 2 describes their reactions in inflammatory, neo­ plastic, and immune-deficient diseases.

Contributions by: C. Belisle, S. Bödewadt-Radzun, B. Brado, A. Castenholz, Y. Cho, P.P.H. de Bruyn, J. Delabie, C. de Wolf-Peeters, F. Facchetti, S. Fossum, M.-L. Hansmann, E.C.M. Hoefsmit, E.W.A. Kamperdijk, F.G.M. Kroese, P. Möller, P. Nieuwenhuis, M.R. Parwaresch, F.S. Peng, H.J. Radzun, G. Sainte-Marie, W. Timens, J.J. van den Oord, E.B.J. van Nieuwkerk, M.A.M. Verdaasdonk, H.-H. Wacker