Ozdemir Y, Acibuci I, Selek U, Topkan E. Preliminary Simulation Study of Carotid Artery and Pharyngeal Constrictor Muscle Sparing-Radiotherapy in Glottic Carcinoma. Technol Cancer Res Treat. 2020 Jan-Dec;19:1533033820956989. doi: 10.1177/1533033820956989. PMID: 33034277; PMCID: PMC7549151.

Topkan E, Selek U, Mertsoylu H, Ozdemir Y, Kucuk A, Torun N, Besen AA. Pretreatment Photopenia on 18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography Scans Predicts Poor Prognosis in Nasopharyngeal Cancer Patients Undergoing Concurrent Chemoradiotherapy. Clin Exp Otorhinolaryngol. 2020 Nov;13(4):407-414. doi: 10.21053/ceo.2019.01298. Epub 2020 Feb 21. PMID: 32075362; PMCID: PMC7669310.

Ozdemir Y, Topkan E, Mertsoylu H, Selek U. Low Prognostic Nutritional Index Predicts Poor Clinical Outcomes in Patients with Stage IIIB Non-small-cell Lung Carcinoma Undergoing Chemoradiotherapy. Cancer Manag Res. 2020 Mar 16;12:1959-1967. doi: 10.2147/CMAR.S248034. PMID: 32214853; PMCID: PMC7083637.

Arenas M, Selek U, Kaidar-Person O, Perrucci E, Montero Luis A, Boersma L, Coles C, Offersen B, Meattini I, Bölükbaşı Y, Leonardi MC, Pfeffer R, Cutuli B, Vidali C, Franco P, Kouloulias V, Masiello V, Rivera S, Bourgier C, Ciabattoni A, Lancellotta V, Trigo L, Valentini V, Poortmans P, Aristei C. The 2018 assisi think tank meeting on breast cancer:International expert panel white paper. Crit Rev Oncol Hematol. 2020 Jul;151:102967. doi: 10.1016/j.critrevonc.2020.102967. Epub 2020 Apr 22. PMID: 32450277.

Gultekin M, Guler OC, Yuce Sari S, Akkus Yildirim B, Onal C, Celik H, Yuce K, Ayhan A, Arik Z, Kose F, Altundag O, Zoto Mustafayev T, Atalar B, Bolukbasi Y, Yildiz F. Multi-institutional validation of the ESMO-ESGO-ESTRO consensus conference risk grouping in Turkish endometrial cancer patients treated with comprehensive surgical staging. J Obstet Gynaecol. 2020 Apr 29:1-7. doi: 10.1080/01443615.2020.1737661. Epub ahead of print. PMID: 32347768.

Topkan E, Besen AA, Ozdemir Y, Kucuk A, Mertsoylu H, Pehlivan B, Selek U. Prognostic Value of Pretreatment Systemic Immune-Inflammation Index in Glioblastoma Multiforme Patients Undergoing Postneurosurgical Radiotherapy Plus Concurrent and Adjuvant Temozolomide. Mediators Inflamm. 2020 May 23;2020:4392189. doi: 10.1155/2020/4392189. PMID: 32565725; PMCID: PMC7262659.

Topkan E, Besen AA, Mertsoylu H, Kucuk A, Pehlivan B, Selek U. Prognostic Value of C-Reactive Protein to Albumin Ratio in Glioblastoma Multiforme Patients Treated with Concurrent Radiotherapy and Temozolomide. Int J Inflam. 2020 Jun 8;2020:6947382. doi: 10.1155/2020/6947382. PMID: 32566124; PMCID: PMC7298277.

Topkan E, Mertsoylu H, Kucuk A, Besen AA, Sezer A, Sezen D, Bolukbasi Y, Selek U, Pehlivan B. Low Systemic Inflammation Response Index Predicts Good Prognosis in Locally Advanced Pancreatic Carcinoma Patients Treated with Concurrent Chemoradiotherapy. Gastroenterol Res Pract. 2020 Jul 30;2020: 5701949 doi: 10.1155/2020/5701949. PMID: 32802045; PMCID: PMC7414371.

Hurmuz P, Onal C, Ozyigit G, Igdem S, Atalar B, Sayan H, Akgun Z, Kurt M, Ozkok HB, Selek U, Oymak E, Tilki B, Guler OC, Mustafayev TZ, Saricanbaz I, Rzazade R, Akyol F. Treatment outcomes of metastasis-directed treatment using 68Ga-PSMA-PET/CT for oligometastatic or oligorecurrent prostate cancer: Turkish Society for Radiation Oncology group study (TROD 09-002). Strahlenther Onkol. 2020 Nov;196(11):1034-1043. doi: 10.1007/s00066-020-01660-6. Epub 2020 Jul 2. PMID: 32617620.

Vatansever D, Misirlioglu S, Arslan T, Zeren EH, Celik C, Bolukbasi Y, Kaban K, Taskiran C. Primary Retroperitoneal Müllerian Adenocarcinoma: Report of Two Cases Treated With Radical Surgery. J Obstet Gynaecol Can. 2020 Aug 26: S1701-2163(20)30603-4. doi: 10.1016/j.jogc.2020.08.009. Epub ahead of print. PMID: 33153941.

Sahin B, Atalar B, Kaytan Saglam E, Akgun Z, Abacioglu U, Arifoglu A, Ozyar E, Yaprak G, Ozseker Isik N, Guney Y, Caglar HB, Karaman S, Igdem S, Selek U, Berber T, Oner Dincbas F, Sengoz M, Yucel S, Demiral AN, Akyurek S. Prognostic factors in medically inoperable early stage lung cancer patients treated with stereotactic ablative radiation therapy (SABR): Turkish Radiation Oncology Society Multicentric Study. Clin Respir J. 2020 Nov;14(11):1050-1059. doi: 10.1111/crj.13240. Epub 2020 Aug 17. PMID: 32749053.

Topkan E, Ozdemir Y, Guler OC, Kucuk A, Besen AA, Mertsoylu H, Sezen D, Akdemir EY, Sezer A, Bolukbasi Y, Pehlivan B, Selek U. Comparison of Involved Field Radiotherapy versus Elective Nodal Irradiation in Stage IIIB/C Non-Small-Cell Lung Carcinoma Patients Treated with Concurrent Chemoradiotherapy: A Propensity Score Matching Study. J Oncol. 2020 Sep 4; 2020:7083149. doi: 10.1155/2020/7083149. PMID: 32952557; PMCID: PMC7487114.

Kilic Durankus N, Samanci Y, Yilmaz M, Sengoz M, Bolukbasi Y, Peker S. Efficacy of whole-sellar Gamma Knife Radiosurgery for magnetic resonance imaging-negative Cushing’s disease. J Neurosurg Sci. 2020 Sep 28. doi: 10.23736/S0390-5616.20.05048-1. Epub ahead of print. PMID: 32989971.

Topkan E, Ozdemir Y, Kucuk A, Guler OC, Sezer A, Besen AA, Mertsoylu H, Senyurek S, Kilic Durankus N, Bolukbasi Y, Selek U, Pehlivan B. Low Advanced Lung Cancer Inflammation Index Predicts Poor Prognosis in Locally Advanced Nasopharyngeal Carcinoma Patients Treated with Definitive Concurrent Chemoradiotherapy. J Oncol. 2020 Oct 7; 2020:3127275. doi: 10.1155/2020/3127275. PMID: 33082783; PMCID: PMC7563083.

Topkan E, Kucuk A, Ozdemir Y, Mertsoylu H, Besen AA, Sezen D, Bolukbasi Y, Pehlivan B, Selek U. Systemic Inflammation Response Index Predicts Survival Outcomes in Glioblastoma Multiforme Patients Treated with Standard Stupp Protocol. J Immunol Res. 2020 Nov 14; 2020:8628540. doi: 10.1155/2020/8628540. PMID: 33274245; PMCID: PMC7683150.

Peker S, Samanci Y, Serhat Aygun M, Yavuz F, Emre Erden M, Emre Nokay A, İhsan Atasoy A, Bolukbasi Y. The Utilization of Treatment Response Assessment Maps in Discriminating Between Radiation Effect and Persistent Tumoral Lesion in Metastatic Brain Tumors Treated with Gamma Knife Radiosurgery. World Neurosurg. 2020 Nov 27: S1878-8750(20)32499-2. doi: 10.1016/j.wneu.2020.11.114. Epub ahead of print. PMID: 33253956.

Menon H, Ramapriyan R, Cushman TR, Verma V, Kim HH, Schoenhals JE, Atalar C, Selek U, Chun SG, Chang JY, Barsoumian HB, Nguyen QN, Altan M, Cortez MA, Hahn SM, Welsh JW. Role of Radiation Therapy in Modulation of the Tumor Stroma and Microenvironment. Front Immunol. 2019 Feb 15;10:193. doi: 10.3389/fimmu.2019.00193. PMID: 30828330; PMCID: PMC6384252.

Menon H, Ramapriyan R, Cushman TR, Verma V, Kim HH, Schoenhals JE, Atalar C, Selek U, Chun SG, Chang JY, Barsoumian HB, Nguyen QN, Altan M, Cortez MA, Hahn SM, Welsh JW. Role of Radiation Therapy in Modulation of the Tumor Stroma and Microenvironment. Front Immunol. 2019 Feb 15;10:193. doi: 10.3389/fimmu.2019.00193. PMID: 30828330; PMCID: PMC6384252.

Aytaç E, Aslan F, Çicek B, Erdamar S, Gürses B, Güven K, Falay O, Karahasanoğlu T, Selçukbiricik F, Selek U, Atalar B, Balık E, Tözün N, Rozanes İ, Arıcan A, Hamzaoğlu İ, Baca B, Molinas Mandel N, Saruç M, Göksel S, Demir G, Ağaoğlu F, Yakıcıer C, Özbek U, Özben V, Özyar E, Güner AL, Er Ö, Kaban K, Bölükbaşı Y, Buğra D, Group Tİ. Dealing with the gray zones in the management of gastric cancer: The consensus statement of the İstanbul Group. Turk J Gastroenterol. 2019 Jul;30(7):584-598. doi: 10.5152/tjg.2018.18737. PMID: 30541724; PMCID: PMC6629281.

Topkan E, Ozdemir Y, Kucuk A, Besen AA, Mertsoylu H, Sezer A, Selek U. Significance of overall concurrent chemoradiotherapy duration on survival outcomes of stage IIIB/C non-small-cell lung carcinoma patients: Analysis of 956 patients. PLoS One. 2019 Jul 22;14(7): e0218627. doi: 10.1371/journal.pone.0218627. PMID: 31329602; PMCID: PMC6645460.

Hayar M, Durankuş NK, Altun GD, Koçak Z, Uzal MC, Saynak M. Investigation of differences of sacral and vertebral bone mineral densities before and after radiotherapy in patients with locally advanced rectal cancer. Cancer Radiother. 2019 Sep;23(5):408-415. doi: 10.1016/j.canrad.2019.05.014. Epub 2019 Jul 19. PMID: 31331841.

Topkan E, Mertsoylu H, Ozdemir Y, Sezer A, Kucuk A, Besen AA, Ozyilkan O, Selek U. Prognostic Usefulness Of Advanced Lung Cancer Inflammation Index In Locally-Advanced Pancreatic Carcinoma Patients Treated With Radical Chemoradiotherapy. Cancer Manag Res. 2019 Oct 7;11:880 -8815. doi: 10.2147/CMAR.S222297. PMID: 31632140; PMCID: PMC6789411.

Topkan E, Selek U, Ozdemir Y, Yildirim BA, Guler OC, Ciner F, Besen AA, Findikcioglu A, Ozyilkan O. Incidence and Impact of Pretreatment Tumor Cavitation on Survival Outcomes of Stage III Squamous Cell Lung Cancer Patients Treated With Radical Concurrent Chemoradiation Therapy. Int J Radiat Oncol Biol Phys. 2018 Aug 1;101(5):1123-1132. doi: 10.1016/j.ijrobp.2018.04.053. Epub 2018 Apr 26. PMID: 29887509.

Verma V, Cushman TR, Selek U, Tang C, Welsh JW. Safety of Combined Immunotherapy and Thoracic Radiation Therapy: Analysis of 3 Single-Institutional Phase I/II Trials. Int J Radiat Oncol Biol Phys. 2018 Aug 1;101(5):1141-1148. doi: 10.1016/j.ijrobp.2018.04.054. Epub 2018 Apr 27. PMID: 30012526.

Topkan E, Selek U, Ozdemir Y, Yildirim BA, Guler OC, Mertsoylu H, Hahn SM. Chemoradiotherapy-induced hemoglobin nadir values and survival in patients with stage III non-small cell lung cancer. Lung Cancer. 2018 Jul;121:30-36. doi: 10.1016/j.lungcan.2018.04.016. Epub 2018 Apr 21. PMID: 29858023.

Topkan E, Selek U, Ozdemir Y, Yildirim BA, Guler OC, Ciner F, Mertsoylu H, Tufan K. Prognostic value of the Glasgow Prognostic Score for glioblastoma multiforme patients treated with radiotherapy and temozolomide. J Neurooncol. 2018 Sep;139(2):411-419. doi: 10.1007/s11060-018-2879-4. Epub 2018 Apr 25. PMID: 29696530.

Topkan E, Ekici NY, Ozdemir Y, Besen AA, Yildirim BA, Mertsoylu H, Sezen D, Selek U. Baseline hemoglobin <11.0 g/dL has stronger prognostic value than anemia status in nasopharynx cancers treated with chemoradiotherapy. Int J Biol Markers. 2019 Jun;34(2):139-147. doi: 10.1177/1724600818821688. Epub 2019 Mar 13. PMID: 30864463.

Arenas M, Nguyen N, Franco P, Selek U, Rovirosa A, Sabater S. Oncology: Management of Elderly Cancer Patients. Biomed Res Int. 2018 Jun 7;2018:7362585. doi: 10.1155/2018/7362585. PMID: 29984247; PMCID: PMC6011156.

Topkan E, Mertsoylu H, Ozdemir Y, Sezer A, Kucuk A, Besen AA, Ozyilkan O, Selek U. Prognostic Usefulness Of Advanced Lung Cancer Inflammation Index In Locally-Advanced Pancreatic Carcinoma Patients Treated With Radical Chemoradiotherapy. Cancer Manag Res. 2019 Oct 7;11:8807-8815. doi: 10.2147/CMAR.S222297. PMID: 31632140; PMCID: PMC6789411.

Topkan E, Selek U, Ozdemir Y, Besen AA, Guler OC, Yildirim BA, Mertsoylu H, Findikcioglu A, Ozyilkan O, Pehlivan B. Risk Factors for Fatal Pulmonary Hemorrhage following Concurrent Chemoradiotherapy in Stage 3B/C Squamous-Cell Lung Carcinoma Patients. J Oncol. 2018 Nov 1;2018:4518935. doi: 10.1155/2018/4518935. PMID: 30515211; PMCID: PMC6236701.

Schoenhals JE, Skrepnik T, Selek U, Cortez MA, Li A, Welsh JW. Optimizing Radiotherapy with Immunotherapeutic Approaches. Adv Exp Med Biol. 2017;995:53-71. doi: 10.1007/978-3-319-53156-4_3. PMID: 28321812.

Holliday EB, Kuban DA, Levy LB, Bolukbasi Y, Master P, Choi S, Nguyen Q, McGuire SE, Mahmood U, Frank SJ, Hoffman KE. Select men benefit from androgen deprivation therapy delivered with salvage radiation therapy after prostatectomy. Prostate Cancer Prostatic Dis. 2017 Dec;20(4):389-394. doi: 10.1038/pcan.2017.24. Epub 2017 May 2. PMID: 28462945.

Oktem O, Kim SS, Selek U, Schatmann G, Urman B. Ovarian and Uterine Functions in Female Survivors of Childhood Cancers. Oncologist. 2018 Feb;23(2):214-224. doi: 10.1634/theoncologist.2017-0201. Epub 2017 Nov 20. PMID: 29158370; PMCID: PMC5813745.

Tastekin E, Caloglu VY, Durankus NK, Sut N, Turkkan G, Can N, Puyan FO, Caloglu M. Survivin expression, HPV positivity and microvessel density in oropharyngeal carcinomas and relationship with survival time. Arch Med Sci. 2017 Oct;13(6):1467-1473. doi: 10.5114/aoms.2015.56616. Epub 2016 Apr 27. PMID: 29181079; PMCID: PMC5701673.

Turkmen E, Erdogan B, Kodaz H, Hacibekiroglu I, Onal Y, Uzunoglu S, Kilic N, Cicin I. Post progression survival analysis of metastatic gastric and gastroesophageal junction cancer patients after second-line treatment. Acta Gastroenterol Belg. 2016 Apr-Jun;79(2):211-5. PMID: 27382940.

Gunn GB, Atalar B, Mendoza TR, Cleeland CS, Selek U, Özyar E, Rosenthal DI. Linguistic Validation of the Turkish Version of the M.D. Anderson Symptom Inventory – Head and Neck Cancer Module. Balkan Med J. 2016 May;33(3):339-43. doi: 10.5152/balkanmedj.2015.150148. Epub 2016 May 1. PMID: 27308079; PMCID: PMC4898994.

Zwahlen DR, Schick U, Bolukbasi Y, Thariat J, Abdah-Bortnyak R, Kuten A, Igdem S, Caglar H, Ozsaran Z, Loessl K, Belkaaloul KK, Villette S, Vees H. Outcome and Predictive Factors in Uterine Carcinosarcoma Using Postoperative Radiotherapy: A Rare Cancer Network Study. Rare Tumors. 2016 Jun 29;8(2):6052. doi: 10.4081/rt.2016.6052. PMID: 27441069; PMCID: PMC4935818.

Selek U, Chang JY. Optimal sequencing of postoperative radiotherapy and chemotherapy in IIIA-N2 non-small cell lung cancer. J Thorac Dis. 2016 Jul;8(7):1394-7. doi: 10.21037/jtd.2016.05.16. PMID: 27500390; PMCID: PMC4958859.

Falay O, Öztürk E, Bölükbaşı Y, Gümüş T, Örnek S, Özbalak M, Çetiner M, Demirkol O, Ferhanoğlu B. Use of fluorodeoxyglucose positron emission tomography for diagnosis of bleomycin-induced pneumonitis in Hodgkin lymphoma. Leuk Lymphoma. 2017 May;58(5):1114-1122. doi: 10.1080/10428194.2016.1236379. Epub 2016 Oct 13. PMID: 28185527.

Topkan E, Yildirim BA, Guler OC, Parlak C, Pehlivan B, Selek U. Safety and palliative efficacy of single-dose 8-Gy reirradiation for painful local failure in patients with stage IV non-small cell lung cancer previously treated with radical chemoradiation therapy. Int JRadiat Oncol Biol Phys. 2015 Mar 15;91(4):774-80. doi: 10.1016/j.ijrobp.2014.12.010. PMID: 25752391.

Yalman D, Selek U. Stereotactic ablative radiotherapy (SABR) in operable early stage non-small cell lung cancer (NSCLC) patients: challenge to claim being undisputed gold standard. Ann Transl Med. 2015 Jul;3(11):150. doi: 10.3978/j.issn.2305-5839.2015.06.23. PMID: 26244137; PMCID: PMC4499657.

Bildik G, Akin N, Senbabaoglu F, Sahin GN, Karahuseyinoglu S, Ince U, Taskiran C, Selek U, Yakin K, Guzel Y, Ayhan C, Alper E, Cetiner M, Balaban B, Mandel NM, Esen T, Iwase A, Urman B, Oktem O. GnRH agonist leuprolide acetate does not confer any protection against ovarian damage induced by chemotherapy and radiation in vitro. Hum Reprod. 2015 Dec;30(12):2912-25. doi: 10.1093/humrep/dev257. Epub 2015 Oct 13. PMID: 26466909.

Bolukbasi Y, Saglam Y, Selek U, Topkan E, Kataria A, Unal Z, Alpan V. Reproducible deep-inspiration breath-hold irradiation with forward intensity-modulated radiotherapy for left-sided breast cancer significantly reduces cardiac radiation exposure compared to inverse intensity-modulated radiotherapy. Tumori. 2014 Mar-Apr;100(2):169-78. doi: 10.1700/1491.16405. PMID: 24852861.

Selek U, Bölükbaşı Y, Welsh JW, Topkan E. Intensity-Modulated Radiotherapy versus 3-Dimensional Conformal Radiotherapy Strategies for Locally Advanced Non-Small-Cell Lung Cancer. Balkan Med J. 2014 Dec;31(4):286-94. doi: 10.5152/balkanmedj.2014.14529. Epub 2014 Sep 13. PMID: 25667781; PMCID: PMC4318398.

Topkan E, Parlak C, Topuk S, Guler OC, Selek U. Outcomes of aggressive concurrent radiochemotherapy in highly selected septuagenarians with stage IIIB non-small cell lung carcinoma: retrospective analysis of 89 patients. Lung Cancer. 2013 Aug;81(2):226-30. doi: 10.1016/j.lungcan.2013.05.002. Epub 2013 May 29. PMID: 23726526

Kılıçkap S, Barışta I, Ulger S, Celik I, Selek U, Yıldız F, Kars A, Ozışık Y, Tekuzman G. Clinical Features and Prognostic Factors of Hodgkin’s Lymphoma: A Single Center Experience. Balkan Med J. 2013 Jun;30(2):178-85. doi: 10.5152/balkanmedj.2012.110. Epub 2013 Jun 1. PMID: 25207097; PMCID: PMC4115978.

Topkan E, Parlak C, Selek U. Impact of weight change during the course of concurrent chemoradiation therapy on outcomes in stage IIIB non-small cell lung cancer patients: retrospective analysis of 425 patients. Int J Radiat Oncol Biol Phys. 2013 Nov 15;87(4):697-704. doi: 10.1016/j.ijrobp.2013.07.033. Epub 2013 Sep 10. PMID: 24035331.

Parlak C, Topkan E, Onal C, Reyhan M, Selek U. Prognostic value of gross tumor volume delineated by FDG-PET-CT based radiotherapy treatment planning in patients with locally advanced pancreatic cancer treated with chemoradiotherapy. Radiat Oncol. 2012 Mar 19;7:37. doi: 10.1186/1748-717X-7-37. PMID: 22429939; PMCID: PMC3354998.

Cengiz M, Dogan A, Ozyigit G, Erturk E, Yildiz F, Selek U, Ulger S, Colak F, Zorlu F. Comparison of intracavitary brachytherapy and stereotactic body radiotherapy dose distribution for cervical cancer. Brachytherapy. 2012 Mar-Apr;11(2):125-9. doi: 10.1016/j.brachy.2011.12.001. Epub 2011 Dec 20. PMID: 22192496.

Cengiz M, Dogan A, Ozyigit G, Erturk E, Yildiz F, Selek U, Ulger S, Colak F, Zorlu F. Comparison of intracavitary brachytherapy and stereotactic body radiotherapy dose distribution for cervical cancer. Brachytherapy. 2012 Mar-Apr;11(2):125-9. doi: 10.1016/j.brachy.2011.12.001. Epub 2011 Dec 20. PMID: 22192496.