JCI-accredited · 45+ hospitals & clinics · 90+ countries served · 24/7 multilingual support
Prof. Dr. İbrahim Yıldız Medical Oncology

Prof. Dr. İbrahim Yıldız

✓ Medically verified profile
Medical Oncology

Prof. Dr. İbrahim Yıldız

✓ Medically verified profile
19+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Atakent Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. İbrahim Yıldız

Quick answer

Prof. Dr. İbrahim Yıldız is a Medical Oncology specialist at Acibadem Atakent Hospital in İstanbul with 19+ years of experience.

He treats lung cancer and other thoracic malignancies, colorectal cancer including metastatic colorectal cancer and stage II colon cancer, esophageal cancer, triple-negative and HER2-positive breast cancer, and testicular germ cell tumors including seminoma, and provides treatments such as adjuvant chemotherapy, cisplatin plus fluorouracil chemotherapy, platinum-based chemotherapy, and tamoxifen therapy. He consults in…

Profile

About Prof. Dr. İbrahim Yıldız

Prof. Dr. İbrahim Yıldız is a Medical Oncology specialist with 19 years of experience. His listed areas of expertise include esophageal cancer, triple-negative breast cancer, testicular seminoma, stage II colon cancer, adjuvant chemotherapy, tamoxifen therapy, platinum-based chemotherapy, and cisplatin plus fluorouracil chemotherapy.

Dr. Yıldız graduated from Istanbul University Cerrahpasa Faculty of Medicine in 2003 and completed Internal Medicine at Istanbul University Cerrahpaşa Faculty of Medicine in 2006. He completed Medical Oncology at Istanbul University Istanbul Faculty of Medicine in 2013. He was at Kağıthane State Hospital from 2007 to 2009 and at War Academies Command for Military Service from 2009 to 2010. Dr. Yıldız joined Acibadem Health Group in 2015. He practises at Acibadem Atakent Hospital in İstanbul, Türkiye.

The profile lists four professional bodies, among them the European Society of Medical Oncology, the American Society of Clinical Oncology, and the Turkish Society of Medical Oncology.

The profile lists 10 publications dated between 2015 and 2015. Their subjects include testicular germ cell tumors, colorectal cancer and quality of life, and breast cancers with triple-negative and HER2-positive status.

Dr. Yıldız speaks Turkish and English. Online consultation is available, allowing patients abroad to speak with the doctor before travelling.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Lung cancerThoracic malignanciesColorectal cancerMetastatic colorectal cancerStage II colon cancerEsophageal cancerTriple-negative breast cancerHER2-positive breast cancerTesticular germ cell tumorsTesticular seminomaAdjuvant chemotherapyCisplatin plus fluorouracil chemotherapyPlatinum-based chemotherapyTamoxifen therapy
Background

Education

  • 2013Istanbul University Istanbul Faculty of Medicine Medical Oncology
  • 2006Istanbul University Cerrahpaşa Faculty of Medicine Internal Medicine
  • 2003Istanbul University Cerrahpasa Faculty of Medicine
Career

Professional Experience

  • 2015Acibadem Health Group
  • 2013–2015Izmir Katip Çelebi University Atatürk Training and Research Hospital / Medical Oncology Clinic
  • 2009–2010War Academies Command / Military Service
  • 2007–2009Kağıthane State Hospital / Compulsory Service
Affiliations

Professional Memberships

  • European Society of Medical Oncology
  • Lung Cancer Association Board Member
  • Turkish Society of Medical Oncology
  • American Society of Clinical Oncology
Research

Selected Publications

  • Evaluation of c-kit (CD 117) expression as a prognostic factor in testicular germ cell tumors: An Izmir Oncology Group (IZOG) study. J BUON. 2015 Jul-Aug;20(4):1054-60 Salman T, Yildiz E, Yildiz I, Yavuzer D, Unlu M, Varol U, Akyol M, Yildiz Y, Bayoglu V, Kucukzeybek Y, Alacacioglu A
  • Quality of life in colorectal cancer patients: an Izmir Oncology Group (IZOG) study. J BUON. 2015 Jul-Aug;20(4):1015-22. Akyol M, Ulger E, Alacacioglu A, Kucukzeybek Y, Bayoglu V, Yildiz Y, Yildiz I, Salman T, Varol U, Demir L, Dirican A, Gumus Z, Oktay Tarhan M.
  • First-line cisplatin plus bolus 5- Fluorouracil combination in patients with locally advanced and metastatic esophageal cancer (Izmir Oncology Group study) Ahmet Alacacioglu, Mustafa Oktay Tarhan. Acta Oncol Tur. 2015; 48(1): 20-26 DOI: 10.5505/aot.2015.92408 Murat Akyol, Yüksel Küçükzeybek, Umut Varol, Ibrahim Yıldız, Suna Çokmert, İbrahim Vedat Bayoğlu, Yaşar Yıldız, Lutfiye Demir, Alper Can,Ahmet Dirican
  • Prognostic value of mesothelin expression in patients with triple negative and HER2-positive breast cancers. Biomedicine & pharmacotherapy,2015 IV Bayoglu , BB Kucukzeybek , Y Kucukzeybek , U Varol , I Yildiz , A Alacacioglu , M Akyol , L Demir , A Dirican , Y Y Yildiz , T Salman , MO Tarhan.
  • Adjuvant Chemotherapy and Prognostic Factors in Stage II Colon Cancer Varol Umut , Salman Tarik , Yildiz Ibrahim , Can Huseyin , Tarhan Mustafa Oktay Asian Pac J Cancer Prev vol 16, 2015, DOI:http://dx.doi.org/10.7314/APJ Kucukzeybek Yuksel , Dirican Ahmet , Demir Lutfiye , Yildirim Serkan , Akyol Murat , Yildiz Yasar , Bayoglu Ibrahim Vedat , Alacacioglu Ahmet ,
  • D-dimer and international normalized ratio (INR) are correlated with tumor markers and disease stage in colorectal cancer patients. Cancer Biomark. 2015 Kilic L, Yildiz I, Sen FK, Erdem MG, Serilmez M, Keskin S, Ciftci R, Karabulut S, Ordu C, Duranyildiz D, Tas F.
  • Sexual satisfaction, anxiety, depression and quality of life among Turkish colorectal cancer patients (Izmir Oncology Group (IZOG) study. Tarhan Mustafa Oktay.Japanese journal of clinical oncology,2015. Akyol Murat, Ulger Eda, Alacacioglu Ahmet, Kucukzeybek Yuksel, Yildiz Yasar, Gumus Zehra, Yildiz Ibrahim, Salman Tarik, Varol Umut, Ayakdas Semra,
  • The Effect of Tamoxifen on Anxiety, Depression, Quality of Life and Sexual Satisfaction in a Premenopausal Breast Cancer Patient. İnci Alacacıoğlu , Mustafa Oktay Tarhan. Ahmet Alacacıoğlu, Eda Ülger, Umut Varol, İbrahim Yıldız, Tarık Salman, Vedat Bayoğlu, Ahmet Dirican, Murat Akyol, Yaşar Yıldız, Yüksel Küçükzeybek,
  • Potential curative role of chemotherapy in patients with metastatic colorectal cancer with complete response to first-line chemotherapy. Acta Oncologica Turcica Varol Umut, Alacacioglu Ahmet, Yildiz Ibrahim, Tarhan Mustafa Oktay
  • Multiple arterial occlusions precipitated by platinum based chemotherapy in a patient with testicular seminoma Journal-Cardiovascular Surgery, 1, Doi: 10.5455/jcvs.20131×12 Sen Fatma, Karavelioglu Yusuf, Yildiz Ibrahim, Sahin Dilek, Bavbek Sevil
Good to Know

Frequently Asked Questions

What is Dr. İbrahim Yıldız's specialty?
Dr. İbrahim Yıldız 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. İbrahim Yıldız practise at?
Dr. İbrahim Yıldız sees patients at Acibadem Atakent 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. İbrahim Yıldız?
Consultations with Dr. İbrahim Yıldız 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. İbrahim Yıldız?
You can request an appointment with Dr. İbrahim Yıldız 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. İbrahim Yıldız?
Yes. Dr. İbrahim Yıldız 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. İbrahim Yıldız have?
Dr. İbrahim Yıldız has around 19 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. İbrahim Yıldız?
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. İbrahim Yıldız?
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 at JCI-accredited Acıbadem hospitals — and stays with you in your own language, every step of the way.

Book an Appointment

Schedule your appointment with Prof. Dr. İbrahim Yıldız

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.
Why patients choose Acıbadem
35+Years of expertise
90+Countries served
20+Languages spoken
24/7Patient support
Prefer to talk now?
Appointment Request

Request your appointment

This request goes directly to this doctor’s schedule.

Prof. Dr. İbrahim Yıldız Appointment with İbrahim Yıldız 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. İbrahim Yıldız

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

“Years of worry ended once I came here for my stroke rehabilitation. Dr. Yıldız was calm, precise and deeply reassuring. The facilities were spotless and modern.”

Andrei C. · Greece August 2025
★★★★★ Verified Patient

“I came to Acibadem for stroke rehabilitation and could not be happier with the outcome. Dr. Yıldız took the time to review my full history before recommending anything. I am deeply grateful for everything.”

Paul Y. · Austria January 2026
★★★★★ Verified Patient

“My son's physiotherapy went better than we ever hoped. Dr. Yıldızağı took real time to get our child's diagnosis right.”

Teuta I. · Greece July 2025
★★★★★ Verified Patient

“Choosing Acibadem for my dental implant treatment was the best decision I made. Dr. Yıldız went above and beyond what I expected. The facilities were spotless and modern.”

Aslan C. · Russia May 2026
We’re With You at Every Step

How can we help you today?

We value your privacy We use essential cookies to run this site and, with your consent, analytics cookies to understand how it is used and improve it. You can accept, reject, or choose what to allow. See our Cookie Policy.