Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.

Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.

アントニオ・デ・ラシー・フォルトゥニー博士は、25年の経験を持つがん外科医です。医師は、直腸と結腸のがん治療、減量手術、食道がんの治療を専門としています。

この外科医は15,000を超える外科手術を行ってきました。デ・ラシー博士は、毎年1,000件以上の介入を、低侵襲技術（腹腔鏡手術およびロボット手術）を使用して実施しています。

アントニオ・デ・ラシー博士は、国際医療コミュニティ、学会、協会のメンバーです。彼はヨーロッパの外科医-内視鏡医協会の会長を務めています。この医師は、先進技術と腹腔鏡手術の研究に関する国際コースの講師です。

デ・ラシー・フォルトゥニー博士は、消化器外科手術の世界的に有名なパイオニアの一人とされています。彼は以下のような外科技術を初めて実施した外科医です：

• デ・ラシー博士は、口を通して胆嚢を取り除く世界で初めての専門家になりました。入院後3日目に患者が退院しました。
• 2010年に、この医師は大腸をを取り除く世界で最初の医師となりました。
• この医師は、結腸および直腸がんのための腹腔鏡手術の創始者です。2009年に新しい技術TaTME（経肛門的全直腸間膜切除術）を用いて、世界で初めて直腸の摘出手術を行いました。今、彼は外科医に知識を提供し、教えています。
• デ・ラシー・フォルトゥニー博士は、自然の開口部を通じて腹腔へのアクセスを提供する経管的内視鏡外科手術（NOTES）方法のパイオニアです。

Dr. Yaacov Lawrence, MA, MBBS, MRCP, is Chair of Radiation Oncology at Sheba Medical Center. He has nearly 30 years of experience in precision radiation oncology and neuro-oncology.

He is an expert in advanced radiation therapy and radiosurgery. He performs stereotactic radiosurgery for brain tumors. He leads Sheba’s GI Cancer Program in gastrointestinal oncology. He also provides precision care for lung and prostate cancers. He pioneered celiac plexus radiosurgery for severe pain from pancreatic cancer.

Training and credentials: MA and MBBS (Cambridge and UCLH); MRCP (RCP); Radiation Oncology fellowship (Thomas Jefferson University). Honors include the ASCO Young Investigator Award and Fellow of ASTRO (FASTRO). He has authored over 280 publications. He is Director of the Center for Translational Radiation Oncology and an Associate Professor at Tel Aviv University.

Dr. Amr Mahmoud Al Demery is a consultant thoracic surgical oncologist with 12 years of experience. He holds an M.B.B.Ch from Kasr El-Aini, Cairo University (2007). He earned a Master’s in Surgical Oncology in 2014 and a Doctorate in Surgical Oncology in 2019 from the National Cancer Institute, Cairo University. He is a Member of the Royal College of Surgeons of England (MRCS, 2014). He speaks English and Arabic.

His practice includes the assessment, diagnosis, and surgical treatment of thoracic cancers. He performs bronchoscopy, thoracoscopy, and mediastinoscopy. He carries out lung resections, including wedge resection, lobectomy, bilobectomy, and pneumonectomy. He also performs esophageal resection with reconstruction and pleural decortication. His work includes thymectomy and mediastinal lymph node dissection. He performs chest wall and diaphragmatic tumor resection with reconstruction.

He served as Resident, Assistant Lecturer, and Lecturer of Surgical Oncology at the National Cancer Institute, Cairo University. He is a consultant in thoracic surgical oncology at Dar El-Salam, Tanta, Damanhour, and Shefaa Al Orman Cancer Centers. He is a member of the Egyptian Society of Surgical Oncology. He is a cofounder and member of the Egyptian Society of Respiratory Neoplasms.

Professor Jair Bar, MD, PhD, is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He leads the Thoracic Oncology Unit. He treats lung cancer, including advanced non-small cell cases. His care includes medical oncology, radiotherapy, immunotherapy, and targeted therapy.

He runs a translational research lab focused on resistance to immunotherapy. He has published on exhaled-breath cancer metabolism and on angiogenesis inhibition in lung cancer.

He has chaired the Israel Lung Cancer Group since 2003. He is a member of the Israel Society of Clinical Oncology and Radiotherapy, the American Society of Clinical Oncology, and the American Association for Cancer Research. He is board-certified in Medical Oncology and Radiotherapy Oncology. He is a Senior Lecturer at Tel Aviv University.

Prof. Jong Kyun Lee is a gastroenterologist at Samsung Medical Center in Seoul. He treats complex pancreatobiliary disorders. The doctor treats pancreatic, bile duct, and gallbladder cancers.

Clinical Specialization

Prof. Lee diagnoses and treats malignant and benign digestive diseases. He provides surgical and non-surgical solutions for patients with several conditions. This care helps patients with:

• Pancreatic, bile duct, and gallbladder cancers
• Colon cancer
• Pancreatitis
• Gallstones (cholelithiasis)

Surgical Expertise

The specialist performs procedures for abdominal oncology. This includes Whipple surgery — a complex operation to remove parts of the pancreas and small intestine. He also performs distal pancreatectomy to remove the tail of the pancreas.

Professional Background

Prof. Lee treats patients at Samsung Medical Center. This institution is a multidisciplinary hospital in South Korea. It serves as a hospital of presidential standards.

Education and Training

The doctor received his medical education at institutions in Korea and the USA. This training provides a global perspective on gastroenterological care.

• The Seoul National University College of Medicine, South Korea
• The University of California, USA

Professional Memberships

Prof. Lee is a member of specialized medical societies. These organizations focus on advancing endoscopic and pancreatobiliary research.

• The Korean Society of Gastrointestinal Endoscopy
• The Korean Society of Gastroenterology
• The Korean Pancreatobiliary Association

Dr. Kyu Taek Lee is a specialist in gastroenterology and oncology at Samsung Medical Center. He treats pancreatic, bile duct, and gallbladder cancers. The doctor completed medical training at institutions in South Korea, Japan, and the United States.

Specialization and Surgical Focus

Dr. Lee treats gastrointestinal conditions with a focus on oncological gastroenterology. He treats patients with pancreatic cancer and colon cancer. The specialist also treats diseases of the bile duct and gallbladder. He performs surgical procedures including:

• Whipple surgery (pancreaticoduodenectomy)
• Distal pancreatectomy
• Pancreas, liver, and lung biopsies
• Endoscopic diagnostic procedures

Professional Experience

• Gastroenterology specialist at the Department of Gastroenterology, Samsung Medical Center
• Professor of Gastroenterology in South Korea

Education and International Training

• Hanyang University College of Medicine, South Korea – Medical degree
• Stanford University School of Medicine, USA – Specialized medical training
• Kyoto Second Red Cross Hospital, Japan – Clinical training

Professional Memberships

• The Korean Society of Gastrointestinal Endoscopy
• The Korean Society of Gastroenterology

Dr. Serkan Deveci is a urologist and oncosurgeon at Medical Park Göztepe Hospital, Istanbul. He specializes in treating prostate, kidney, and testicular cancers. Dr. Deveci holds a professorship and is a member of the American Urology Association. He has authored over 20 international publications on sexual medicine and uro-oncology.

• Expertise includes nephrectomy and specialized biopsy procedures for various conditions.
• Section Editor for UpToDate, a clinical decision support resource used worldwide.
• Member of the American Urological Association abstract reviewer team.
• Practices at JCI-accredited Medical Park Göztepe, which holds a Robotic Surgery Center certification.

Head of the Urology Department, Oncosurgeon

Radiotherapy Specialist, Oncologist

Professor, specialist in oncosurgery

Head of the Breast Surgery Department, Mammologist

Gynecologist, Specialist in endoscopic and laparoscopic operations

Dr. Thomas W Kraus is the Chief Physician at Nordwest Clinic in Frankfurt. He has performed over 3,000 surgical interventions for bowel and gastrointestinal diseases. Dr. Kraus specializes in the Whipple procedure, stomach oncology, and hepatobiliary surgery. He trained at world-renowned centers like Johns Hopkins and Memorial Sloan Kettering.

• Specialist in pancreatic surgery and reconstruction of the bile ducts.
• Founder and Director of the German Society “Art of surgery.”
• Nationally ranked among the best physicians in Germany by Focus magazine.
• Fellow of the American College of Surgeons (FACS).

Oncogynecologist

Oncologist

Gynecologist. Oncogynecologist

Oncosurgeon, Head of Samsung Department of Urology

Professor Dr. Kurt Rasche is a German pulmonologist with more than 40 years of clinical experience. He is Chief of Pulmonology at Helios University Hospital Wuppertal. He leads the departments of pulmonology, sleep medicine, and ventilation therapy. He also heads the certified Lung Cancer Center.

He is certified in internal medicine, pulmonology, allergology, sleep medicine, and intensive care. His clinical work focuses on diagnosing and treating chronic lung diseases, lung cancer, and sleep-related breathing disorders. He works closely with specialists from other fields to provide coordinated care.