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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
40+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Altunizade Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. Aziz Yazar
This Doctor Medical Oncology Specialty 40+ Years Experience Acibadem Altunizade Hospital Hospital Book an AppointmentBook

Quick answer

Prof. Dr. Aziz Yazar is a Medical Oncology specialist at Acibadem Altunizade Hospital. He treats patients with solid tumours, with clinical interests including lung and other thoracic cancers, breast cancer, gastrointestinal cancers, prostate cancer, and colorectal cancers. His practice also includes gynaecological, urinary tract, brain, head and neck, liver, kidney, and skin cancers.

Profile

About Prof. Dr. Aziz Yazar

Prof. Dr. Aziz Yazar is a medical oncologist at Acibadem Altunizade Hospital, providing care for adults with a broad range of solid tumours. His clinical interests include lung and other thoracic cancers, breast cancer, gastrointestinal cancers, genitourinary cancers, gynaecological cancers, brain tumours, head and neck cancers, and skin tumours.

He graduated from Hacettepe University Faculty of Medicine and completed training in Internal Medicine at İstanbul University İstanbul Faculty of Medicine. He later pursued Medical Oncology at İstanbul University Oncology Institute, where he became an Associate Professor in 2004, and has worked with Acibadem Healthcare Services since 2007.

International patients can expect an oncology consultation focused on understanding their diagnosis and discussing medical treatment options. Prof. Dr. Yazar is a member of the Turkish Oncology Association, ASCO, ESMO, and the Istanbul Medical Chamber.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Background

Education

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

Professional Experience

  • 2007Acıbadem Healthcare Services
  • 2005–2007American Hospital
  • 2002–2005İstanbul University Oncology Institute / Medical Oncology
  • 1999–2002Mersin University Faculty of Medicine
  • 1993–1998İstanbul University İstanbul Faculty of Medicine
Affiliations

Professional Memberships

  • Turkish Oncology Association
  • ASCO (American Society of Clinical Oncology)
  • ESMO (European Society of Medical Oncology)
  • İstanbul 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 40 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

A dedicated team, from first message to follow-up

Our international patient office coordinates your appointment, travel and treatment across the Acıbadem network — including 7 JCI-accredited hospitals — and stays with you in your own language, every step of the way.

Book an Appointment

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.

  1. 1
    Choose your date & timePick a preferred day and time slot for your visit.
  2. 2
    Share your detailsTell us how to reach you and anything we should know.
  3. 3
    We confirm with youOur team confirms the appointment by phone or email.
Appointment Request

Request your appointment

This request goes directly to this doctor’s schedule.

Prof. Dr. Aziz Yazar Appointment with Aziz Yazar Medical Oncology

Your information stays strictly confidential and is used only to arrange your care.

Where

Hospitals

Departments

Medical Units

Treatments

Treatments Performed

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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