Page 2 - Best PET/CT doctors: TOP 118 doctors

Zhang Yanjun, MD, is a Chief Physician and Master’s Supervisor with 30 years of experience in tumor imaging and radiation oncology. He treats both pediatric and adult patients. His focus includes primary and secondary tumors, neuro-oncology, and stereotactic radiotherapy.

He is proficient in radiotherapy for cancers of the lung, liver, nasopharynx, head and neck, esophagus, breast, rectum, cervix, and prostate, as well as lymphoma and central nervous system tumors.

He is a member of the Central Nervous System Tumor Radiotherapy Group of the Second Committee of the Radiation Oncology Physicians Branch of the Chinese Medical Doctor Association. He serves on the Executive Committee of the First Chinese Oncology Radiation Therapy Cooperation Group of the World Association of Chinese Oncology Physicians. He is also a member of the National Digestive Oncology Expert Committee of the Radiation Oncology Professional Committee of the Wu Jieping Medical Foundation. He was a visiting scholar twice at leading U.S. cancer radiotherapy centers. He has published 46 papers in core journals and international conferences.

Personal Information 

Sex:  Male

Born : 1968 

Professional Experience

Gayrettepe Florence Nigthingale Hospital

Medical Oncology Department

Besiktas/Istanbul/Turkey (ongoing)

Education:

He became Professor (22/April /2016)

Medical Oncology

Attending Phys.in Gastrointestinal Oncology (January 2005 ,2009)

Istanbul University Oncology Institue,

Department of Medical Oncology

Medical Oncology Fellowship (December 2001-December2004)

Istanbul University, Istanbul Medical Faculty

Hemodialysis Traning (May1996-January1997)

Istanbul University ,bCerrahpasa Medical Faculty

Internal Medicine Residency (November 1991-November 1996)

Istanbul University ,bCerrahpasa Medical Faculty

Ege University Medical Faculty (1985-1991)

Professional Experience

February 1999-November 2001

Metropolitan Florence Nigthingale Hospital

American Cancer Center, Gayrettepe/İstanbul

April1997- October 1998

Bayraktar Dialysis Center

Güngören/ Istanbul

Membership

Turkish Medical Oncology Association

ENET(European Neuroendocrine Tumour Society)

ESMO

ASCO

Dr. Antonio Alcaraz is a Spanish uro-oncologist and transplantologist with over 30 years of experience and 500 successful operations, specializing in the treatment of prostate cancer, kidney, bladder, and other urogenital system pathologies using minimally invasive and robotic systems, as well as congenital pathologies in children. He is a member of several prestigious urological societies.

Personal information

Title: Professor Doctor

Branch: Radiation Oncology

Work History:

1 GATA Military Medical Faculty

2 Gayrettepe Florence Nightingale Hospital

3 T.R. Demiroğlu Bilim University \ Associate Professor

4 T.R Demiroğlu Bilim University \ Professor

Medical Specialties and Subspecialties:

1 Head and Neck Cancers

2 Radiation Oncology

Priority treatments:

1 Prostate cancer

2 Conformal treatments

Special advanced health technologies:

1 Truebeam Stx Technology

2 Halcyons

Education

1991 - Istanbul University Istanbul Faculty of Medicine

1996 - Istanbul University Cerrahpaşa Faculty of Medicine Radiation

Oncology Specialization Training

Prof. Thomas W Kraus is a renowned gastrointestinal doctor in Germany with over 30 years of experience and 3,000+ surgical interventions performed. He specializes in Whipple procedure management, stomach oncology and treatment of liver diseases, and is the Chief Physician in Nordwest Clinic in Francfurt am Main. Prof. Kraus is a member of several prestigious national and international medical associations, and has received numerous awards for his achievements. He has a wide range of surgical services, including laparotomy, laparoscopy, radical resection, draining of inflammatory diseases, bile ducts surgical reconstruction, bypass, stapling of the damaged bile ducts, endoscopic correction of hernias, and more.

Dr. Jaume Mora Graupera is a pediatric oncologist specializing in the treatment of neuroblastomas, gliomas, Ewing's sarcomas, and Wilms' tumors. He is the Director of the Hematology Oncology Department and Developmental Tumors Laboratory at Sant Joan De Déu - Barcelona Children’s Hospital. He received his medical degree from the University of Barcelona, went on to complete specialty training in pediatrics and fellowships in pediatric hematology oncology and molecular pathology of pediatric cancer at Weill Cornell Medicine and Memorial Sloan Kettering Cancer Center in the USA. He has won multiple awards and is a member of various medical organizations.

Prof. Yeşim (Yesim) Yıldırım — Medical Oncologist at Anadolu Medical Center (since 2011). ESMO-certified specialist, Professor since 2021, author of 80+ scientific publications. Trained at top centers — Rambam (Israel) and Mount Vernon (UK). Treats breast, lung, and gastrointestinal (GI) cancers, as well as melanoma and sarcomas; uses immunotherapy and targeted therapy.

Why patients choose Dr. Yeşim Yıldırım:

• 20+ years of clinical practice; Professor of Medical Oncology since 2021.
• 80+ peer-reviewed publications in tumor biology, immunotherapy, and targeted therapy — treatment plans are based on up-to-date evidence.
• ESMO certification — from Europe’s leading oncology society — confirms high qualification and continuous training to international standards.

Dr. Rahib Hasanov is a medical oncologist. He graduated from Istanbul University Cerrahpaşa Faculty of Medicine (1999–2005). He completed an internal medicine residency (2009–2013) and a medical oncology fellowship at Marmara University (2015–2018). He also completed an observership at Houston Methodist Hospital (2006–2007).

He focuses on personalized oncology. His treatments include immunotherapy, targeted therapy, and novel agents. His clinical interests include gastrointestinal, breast, lung, and genitourinary cancers.

He attends national and international conferences. He welcomes patients from Turkey, Azerbaijan, Montenegro, Georgia, Uzbekistan, the Middle East, Europe, and the United States.

Dr. Nuri Ceydeli is a gynecologist and obstetrician with over 15 years of experience. He is a graduate of Istanbul University Istanbul Medical School (1995) and Istanbul University Cerrahpaşa Medical School (2002), and is a member of the Turkish Gynecology and Obstetrics Society, Turkish Gynecologic Oncology Society, Surgical Infection Association, and AAGL.

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Present
Istanbul Florence Nightingale Hospital
Medical Oncology

2022-2024
Memorial Şişli Hospital
Medical Oncology Specialist

2021-2022
Institut Jules Bordet
Clinical Research Fellowship

2020-2022
Marmara University Pendik Training and Research Hospital
Medical Oncology Specialist

2019-2019
Institut Jules Bordet
Clinical Research Fellowship

2016-2019
Marmara University Faculty of Medicine, Department of Medical Oncology
Medical Oncology Fellowship

2014-2016
Golbasi Public Hospital
Internal Medicine Specialist

2013-2014
MD Anderson Cancer Center
Observership

2013
Bellvitge Hospital, Barcelona, Spain
Observership

2009 -2014
Hacettepe University Faculty of Medicine
Internal Medicine Residency

One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.

Professor Dan Grisaro is a leading Israeli specialist in gynecological cancer diagnosis and treatment, specializing in ovarian cancer, uterine cancer, and cervical cancer. He has senior physician, head of department and lecturer experience at various medical centers and universities. He has held 39 presentations and is the author of 83 published scientific articles, and is a member of various professional societies.

Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.

Dr. Florian Fitzal is a senior physician at Vienna General Hospital and Vienna Medical University. He specializes in breast and abdominal surgery. He is a certified surgeon and holds a Master of Public Health (MBA). Dr. Fitzal leads the Breast Health Center. He also serves as Scientific Director of the Surgical Center of the Breast.

He is an auditor for the European Council of Surgeons. He is also a board member of the Austrian Breast Cancer and Colorectal Cancer Research Group. Dr. Fitzal has published over 143 scientific papers and has an h-index of 24. He has written four books on breast cancer surgery. He is known for his work in breast-conserving, oncoplastic, and reconstructive surgery.

Dr. Hossein Taghizadeh is a highly regarded Austrian specialist in internal medicine, hematology, and medical oncology, known for his compassionate approach and commitment to personalized cancer care. With extensive experience in treating solid tumors and blood cancers, he represents a new generation of oncologists who integrate scientific progress with empathy and precision.

He studied medicine at the Medical University of Vienna, graduating in 2016, and began his residency in internal medicine and oncology shortly thereafter. His academic and clinical training at leading Austrian cancer centers equipped him with deep expertise in systemic cancer therapy, hematologic diseases, and palliative medicine.

2010–2016 – Studied medicine at the Medical University of Vienna.

2018 – Began residency in internal medicine and medical oncology, focusing on individualized treatment strategies.

2020s – Specialized in solid tumors, hematologic malignancies, and targeted therapy, contributing to multidisciplinary oncology care.

Today – Practices as an oncologist at Oncodoc and Wiener Privatklinik, providing diagnostics, systemic treatment, and follow-up for patients with gastrointestinal, urogenital, and hematologic cancers.

Dr. Taghizadeh’s clinical interests include gastrointestinal tumors, pancreatic and biliary cancers, genitourinary malignancies, and hematologic neoplasms. He works with advanced diagnostic tools and modern systemic therapies, including chemotherapy, targeted therapy, and immunotherapy.

Known for his calm professionalism, integrity, and patient-centered communication, Dr. Taghizadeh places great emphasis on evidence-based medicine and emotional support throughout the treatment journey. His work reflects a modern, holistic approach to oncology — one that values both medical excellence and the human experience behind every diagnosis.