[1] Eberhard Kalrs Univ, Dept Diagnost Radiol, D-72076 Tubingen, Germany
[2] German Canc Res Ctr, Dept Radiol, D-6900 Heidelberg, Germany
[3] German Canc Res Ctr, Dept Med & Biol Informat, D-6900 Heidelberg, Germany
[4] German Canc Res Ctr, Dept Radiat Oncol, D-6900 Heidelberg, Germany
[5] Clin Thorac Dis, Dept Radiol, Heidelberg, Germany
[6] Dept Thorac Surg, Heidelberg, Germany
[7] Univ Munich, Dept Radiol, Munich, Germany