[1] Ctr Hosp Notre Dame & Reine Fabiola, Dept Hematol Oncol, B-6000 Charleroi, Belgium
[2] Inst Pathol & Genet, Gosselies, Belgium
[3] Ctr Hosp Notre Dame & Reine Fabiola, Dept Surg, B-6000 Charleroi, Belgium
[4] Ctr Hosp Notre Dame & Reine Fabiola, Dept Radiol, B-6000 Charleroi, Belgium