The relative incidence of these tumors indicates that neurogenic tumors are the most common tumor seen constituting 21 % of all cases, thymomas 19%, lymphomas 12.5%, germ cell tumors 10%, primary carcinomas 4.6%, mesenchymal tumors 6%, endocrine tumors 6%, cysts 18%.

Foreword by: L. W. Brady, H.-P. Heilmann
Contributions by: M.S. Allen, J.D. Bitran, L. Delbridge, B. de Vries, L.P. Faber, R.J. Ginsberg, T.W. Griffin, R.F. Heitmiller, S. Keshavjee, W.-J. Koh, J. Leblanc, R.B. Lee, P.J. Sr. Loehrer, W.J., Sr. Marasco, D.J. Mathisen, J.I. Jr. Miller, S.H. Petersdorf, T.S. Reeve, M., III Roach, J. Somers, C.R., Jr. Thomas, S. Vijayakumar, J.C. Wain, E.W. Jr. Wilkins, D.E. Wood, C.D. Wright