Tactics is the art of combining the action of troops or the proper means of different arms with the object of obtaining the maximum success at combat. Strategy is the art of combining the action of aB the military forces with a view to victory. This work, wh ich publishes the communications at the Annual General Meeting of the EORTC, wh ich was held in Paris in lune 1976, was devoted to tactics and to the therapeutic strategy with a view to the recovery of cancer patients. Table of Contents v Preface . I. Tactics G. MATHE: Tactics in Cancer Treatment: Introduction 1 1. Surgery F. ECONOMIDES and M. BRULEy-RosSET: Effects of the Removal of the Regional Lymph Nodes on the Survival of Mice Bearing B16 Melanoma or EAkR Lymphosarcoma . 2 U. VERONESI: Regional Lymph Node Dissection in Melanoma of the Limbs. Stage I-A Cooperative International Trial . 8 2. Chemotherapy G. MATHE, O. HALLE-PANNENKO, and C. BOURUT: Effectiveness of Murine Leukemia Chemotherapy According to the Immune State: Reconsideration of Correlations Between Chemotherapy, Tumour Cell Killing, and Survival Time 9 A. J. S. DAVIES: C!"temotherapy of Tumours in Immuno-deprived Mice 13 P. POUILLART, G. MATHE, T. PALANGJE, J. LHERITIER, M. PmSSON, P. HUGUENIN, H. GAUTIER, P. MORIN, and R. PARROT: Treatment of Malignant Gliomas and Brain Metastases in Adults Using a Combination of Adriamycin, VM 26 and CCNU- Results of Type 11 Trial . 17 3. lmmunotherapy L. OLSSON: Immunologie and Cytokinetic Parameters of BCG-induced Growth Control of a Murine Leukemia .