The GAM 2020 focusses on the positioning of micros indications, in all specialities, to try and clarify its current position. During this congress specific problems will be looked at and i twill be discussed whether the solution should be microsurgical or non-microsurgical. Furthermore, professor Laurent Lantieri will present the state of art of facial allotransplantations. The target audience is broad ranging from vascular surgeons to plastic and orthopaedic surgeons. For the full program see the conference website (note: the website is in French).