[1] Med Univ Vienna, Div Gen Surg, Dept Surg, Comprehens Canc Ctr Vienna, Vienna, Austria
[2] Med Univ Vienna, Ludwig Boltzmann Inst Appl Diagnost, Vienna, Austria
[3] Med Univ Vienna, Dept Pathol, Comprehens Canc Ctr Vienna, Vienna, Austria
[4] Hosp St John God, Dept Surg, Vienna, Austria
[5] Clin Floridsdorf, Dept Surg, Vienna, Austria
[6] Clin Floridsdorf, Dept Pathol, Vienna, Austria
[7] State Hosp Wiener Neustadt, Inst Pathol, Wiener Neustadt, Austria
[8] State Hosp Wiener Neustadt, Dept Surg, Wiener Neustadt, Austria
[9] Med Univ Vienna, Div Gen & Pediat Radiol, Dept Biomed Imaging & Image Guided Therapy, Comprehens Canc Ctr Vienna, Vienna, Austria
[10] Med Univ Vienna, Comprehens Canc Ctr Vienna, Dept Radiotherapy, Vienna, Austria