The treatment of the chest wall tumors are based on the following principles. The surgery is the only curative treatment of the disease and the pain. The pre-operative assessment may find its beneficial only to eliminate the non surgical affections, to foresee the peroperative dangers and to prepare the reconstruction. The use of more adapted and better supported prosthesis has pushed back today the limits of the resections to the possibilities of covering. Finally the quality of the result depends more than one multidisciplinary work that technical prowess's of only one operator.