[1] Natl Inst Oncol, Gen & Thorac Surg, Budapest, Hungary
[2] Norfolk & Norwich Univ, Gen Surg, Norwich, Norfolk, England
[3] Natl Inst Oncol, Radiotherapy, Budapest, Hungary
[4] Natl Inst Oncol, Chemotherapy, Budapest, Hungary
[5] Natl Inst Oncol, Radiol, Budapest, Hungary
[6] Natl Inst Oncol, PET CT, Budapest, Hungary