18 FDG positon emission tomography provides metabolic images and allows better local and metastatic staging than radiologic methods. A best cartography of node involvement and a best delineation of the tumor zone should allow an optimal radiotherapy. Lung cancer is a good example of the interest of this new method.
Service des maladies respiratoires, hôpital d'instruction des armées Percy, 101, avenue Henri-Barbusse, 92141 Clamart, France. vaylet.fabien@infonie.fr
