[1] CHU Grenoble, Unite Oncol Thorac, PCMAC, F-38043 Grenoble, France
[2] CHU Grenoble, Dept Anat & Cytol Pathol, F-38043 Grenoble, France
[3] Clin Belledonne, F-38400 St Martin Dheres, France
[4] Hosp Civils Lyon, Serv Pneumol, Unite Pilote Prise Charge Tumeurs Rares Intrathor, F-69229 Lyon 02, France