[1] Univ Paul Sabatier, CHU Toulouse, Hop Larrey, Serv Pneumol, 24 Chemin Pouvourville, F-31059 Toulouse, France
[2] Univ Paul Sabatier, CHU Toulouse, Hop Rangueil, Serv Radiol, Toulouse, France
[3] Clin Union, Serv Radiol, Toulouse, France
[4] CHU Toulouse, Inst Univ Canc, Dept Anat & Cytol Pathol, Toulouse, France
[5] Univ Paul Sabatier, CHU Toulouse, Inst Federatif Biol, Lab Biochim Metab, Toulouse, France