[1] Marmara Univ Hosp, Div Med Oncol, Istanbul, Turkey
[2] Marmara Univ Hosp, Dept Pathol, Istanbul, Turkey
[3] Dr Lutfi Kirdar Res & Training Hosp, Oncol Unit, Istanbul, Turkey
[4] SSK Sureyyapasa Chest & Cardiovasc Dis Hosp, Oncol Unit, Istanbul, Turkey
[5] Gulhane Mil Med Acad, Div Med Oncol, Istanbul, Turkey
[6] Haydarpasa Numune Res & Training Hosp, Oncol Unit, Istanbul, Turkey