To obtain further information, write to the following address: European Lung Cancer Working Party Prof. J.-P. Sculier Institut Jules Bordet 1, rue Héger-Bordet 1000 Bruxelles-Belgium Tel. : +322/539.04.96 – Fax : +322/534.37.56 Secretary (Caroline Gustin): E-mail : info@elcwp.org Data manager (Nathalie Leclercq) : E-mail : nathalie.leclercq@bordet.be Susar : E-mail : susar.elcwp@bordet.be