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Prof. Dr. Aziz Yazar Medical Oncology

Prof. Dr. Aziz Yazar

✓ Medically verified profile
Medical Oncology

Prof. Dr. Aziz Yazar

✓ Medically verified profile
33+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Altunizade Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. Aziz Yazar
Profile

About Prof. Dr. Aziz Yazar

Quick answer

Prof. Dr. Aziz Yazar is a Medical Oncologist at Acibadem Altunizade Hospital in İstanbul with 33+ years of experience.

He treats small cell lung cancer, non-small cell lung cancer including advanced and stage IV disease, and metastatic renal cell carcinoma, and handles cancer chemotherapy including neoadjuvant chemotherapy for non-small cell lung cancer and gemcitabine-cisplatin chemotherapy. He offers consultations in Turkish and English and provides online video consultation.

Prof. Aziz Yazar is a medical doctor trained at Acıbadem University Faculty of Medicine, graduating in 2010. Since 2007 he has been affiliated with Acıbadem Health Group, where he has contributed to clinical care and patient-focused services. He is an active member of the Turkish Oncology Society and the Istanbul Medical Chamber, reflecting his commitment to professional development and quality practice in oncology and medicine. Known for a patient-centered approach and collaborative teamwork, he combines solid clinical training with ongoing involvement in professional organizations.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Small cell lung cancerNon-small cell lung cancerAdvanced non-small cell lung carcinomaStage IV non-small cell lung cancerMetastatic renal cell carcinomaNeoadjuvant chemotherapy for non-small cell lung cancerGemcitabine and cisplatin chemotherapyCancer chemotherapy
Background

Education

  • 2010Acibadem University Faculty of Medicine
  • 2005Istanbul University Oncology Institute Medical Oncology
  • 2004Istanbul University Institute of Oncology / Associate Professor
  • 1997Istanbul University Istanbul Faculty of Medicine Internal Medicine
  • 1986–1993Hacettepe University Faculty of Medicine
Career

Professional Experience

  • 2007Acibadem Health Group
  • 2005–2007American Hospital
  • 2002–2005Istanbul University Oncology Institute / Medical Oncology
  • 1999–2002Mersin University Faculty of Medicine
  • 1993–1998Istanbul University Istanbul Faculty of Medicine
Affiliations

Professional Memberships

  • Turkish Oncology Society
  • Istanbul Medical Chamber
Research

Selected Publications

  • Prognostic and predictive value of vascular endothelial growth factor and its soluble receptors, VEGFR-1 and VEGFR-2 levels in the sera of small cell lung cancer patients. Medical Oncology, 25, 394-399 (2008) Üstüner Z, Saip P, Yasasever V, Vural B, Yazar A, Bal C, Öztürk B, Özbek U, Topuz E.
  • The role of serum vascular endothelial growth factor and matrix metalloproteinase-9 in predicting response to chemotherapy and prognosis in patients with advanced non-small cell lung carcinoma. Southern Medical Journal, 101, 327-328 (2008) Yazar A, Soydinç H, Ertan E, Yasasever V, Taş F,
  • Gemcitabine and cisplatin as neo-adjuvant chemotherapy for non-small cell lung cancer: A phase II study. Lung Cancer, 58, 246-252 (2007) Aydıner A, Kıyık M, Çıkrıkçıoğlu S, Koşar F, Gürses A, Turna A, Yazar A, Dilege Ş, Göksel T, Çakan A.
  • Serum vascular endothelial growth factor and Bcl-2 levels and their relationship in stage IV non-small cell lung cancer. Turkish Journal of Oncology, 22, 76-81 (2007) Yazar E, Soydinç H, Yazar A, Özgül A, Taş F, Yasasever V, Çamlıca H, Yılmaz V.
  • Prevalence of irritable bowel syndrome in bronchial asthma patients. Respiration, 8, 151-155 (2006). Ertan E, Ozgul MA, Yildiz P, Kadakal F, Camlica H, Yazar A, Yilmaz V.
  • Is lower socio-economic status a risk factor for Helicobacter pylori infection in pregnant women with hyperemesis gravidarum. Turk J Gastroenterol, 15, 86-89 (2004) Karaca Ç, Güler N, Yazar A, Çamlıca H, Demir K, Yıldırım G.
  • Prognostic factors for survival in metastatic renal cell carcinoma: Experience from a single institution. Thirty-Ninth Annual Meeting of American Society of Clinical Oncology, 1750, Chicago, USA, 2003 Bavbek SE, Yazar A, Başaran M, Onat H,
  • Lipid peroxidation and antioxidant levels in hyperthyroidism. Cumhuriyet University Medical Faculty Journal, 22, 196-200 (2000) Akbay E, Tamer L, Konca K, Pata C, Yazar A.
  • A case of Stevens-Johnson syndrome associated with cephazoline and paracetamol. Journal of Mersin University Faculty of Medicine, 1, 91-94 (2000) Konca K, Köktürk A, Akbay E, Pata C, Yazar A,
Good to Know

Frequently Asked Questions

What is Dr. Aziz Yazar's specialty?
Dr. Aziz Yazar is a specialist in Medical Oncology at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. Aziz Yazar practise at?
Dr. Aziz Yazar sees patients at Acibadem Altunizade Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Aziz Yazar?
Consultations with Dr. Aziz Yazar are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. Aziz Yazar?
You can request an appointment with Dr. Aziz Yazar using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. Aziz Yazar?
Yes. Dr. Aziz Yazar offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. Aziz Yazar have?
Dr. Aziz Yazar has around 33 years of professional experience in Medical Oncology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Aziz Yazar?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. Aziz Yazar?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
Care without borders

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Our international patient office coordinates your appointment, travel and treatment at JCI-accredited Acıbadem hospitals — and stays with you in your own language, every step of the way.

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Schedule your appointment with Prof. Dr. Aziz Yazar

Choose a date and time that suits you. Our international patient team will check availability and confirm your appointment — usually within 24 hours.

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Why patients choose Acıbadem
35+Years of expertise
90+Countries served
20+Languages spoken
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Prof. Dr. Aziz Yazar Appointment with Aziz Yazar Medical Oncology

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Patient Voices

What patients say about Prof. Dr. Aziz Yazar

★★★★★From 2,400+ verified patient reviews
★★★★★ Verified Patient

“After struggling for a long time, I finally found the right care for my body contouring here. Prof. Dr. Yazar explained the risks honestly and earned my full trust. The facilities were spotless and modern.”

Mirela U. · Serbia February 2026
★★★★★ Verified Patient

“I was nervous about my spinal surgery, but I felt safe at every single step. The expertise of Dr. Yazar put my mind completely at ease. The whole experience was organised and reassuring.”

Yasmine T. · Tunisia April 2026
★★★★★ Verified Patient

“We brought our child in for vaccination visit and the care was wonderful. Dr. Yazar put both our child and us at ease. The follow-up care was just as good as the treatment itself.”

Andreas O. · Denmark December 2025
★★★★★ Verified Patient

“My experience with immunotherapy here restored my faith in medical care. Prof. Dr. Yazar made a stressful situation feel completely manageable. The facilities were spotless and modern.”

Andreas L. · Switzerland March 2026
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