Radiation Oncology
Radiation Oncology is a medical specialty that utilizes ionizing radiation for the treatment of cancer and certain benign conditions. As one of the three main modalities in cancer treatment—alongside surgery and systemic therapy—radiation therapy plays a critical role in both curative and palliative care.
The Department of Radiation Oncology at Asan Medical Center (AMC) is a nationally recognized leader in providing comprehensive and advanced radiotherapy to cancer patients. The department integrates clinical expertise, cutting-edge technology, and collaborative multidisciplinary care to deliver highly precise and effective treatments tailored to each individual patient.
Our Expertise and Strengths
Multidisciplinary Cancer Care
Our team actively collaborates with other departments through AMCthe Asan Cancer Institute, forming disease-specific teams for optimal patient evaluation and treatment.
Evidence-Based and Patient-Centered Approach
We are committed to evidence-based medicine, continuously refining treatment protocols based on the latest clinical research and technological advances.
High Treatment Volume and Experience
We handle a high volume of cases across nearly all tumor sites, with approximately 7,100 new patients treated in 2023, contributing to extensive clinical expertise and high-quality outcomes.
Global Collaborative Network
We maintains robust partnerships with world-leading institutions, facilitating joint clinical research, academic exchange, and technological advancement. Asan Medical Center is officially designated as the AMC-Vision RT Asia Training Center, playing a leading role in the education, clinical implementation, and standardization of Surface Guided Radiation Therapy (SGRT) practices across the region.
Future Expansion
Asan Medical Center is actively preparing for the implementation of ‘Heavy Ion Therapy System', with clinical launch anticipated in 2031, which will enable ultra-precise treatment of radioresistant tumors.
Subspecialties and Clinical Focus
Our department provides specialized radiation treatment for cancers in nearly all anatomical regions, including
- Weekdays: 8:30 a.m. to 6:30 p.m. | Saturday: 8:30 a.m. to 12:30 p.m.Central Nervous System
- Head and Neck
- Thoracic (Lung, Esophagus)
- Gastrointestinal (Esophagus, Stomach, Rectum, Liver, Pancreas)
- Genitourinary (Prostate, Bladder, Kidney)
- Gynecologic (Cervix, Uterus, Ovary, Vulva)
- Pediatric Oncology
- Hematologic Malignancies (Lymphoma, Leukemia)
- Bone and Soft Tissue Tumors
- Skin cancers
- Oligometastatic and Metastatic Disease
- Benign conditions such as thyroid-associated orbitopathy, hypertrophic scars, arteriovenous malformations, and heterotopic ossification.
Advanced Radiation Therapy Modalities
Our department offers a full spectrum of modern radiation therapy techniques
- Intensity-Modulated Radiotherapy (IMRT)
- Volumetric Modulated Arc Therapy (VMAT)
- Image-Guided Radiotherapy (IGRT)
- Respiratory Motion Managements (Gating, Breath-hold)
- Stereotactic Body Radiotherapy (SBRT)/Stereotactic Radiosurgery (SRS)
- Total Body Irradiation (TBI)/Total Skin Electron Irradiation (TSEI)
- High-Dose-Rate (HDR) Brachytherapy
- Low-Dose-Rate (LDR) Prostate Brachytherapy
- Surface-Guided Radiotherapy (SGRT) for frameless patient positioning and motion monitoring
State-of-the-Art Equipment
The department is equipped with one of the largest and most advanced radiation therapy infrastructures in Korea
- 14 Linear Accelerators capable of delivering advanced external beam therapies
- HDR Brachytherapy Suite for internal radiation treatments
- 2 CT Simulators and 1 Fluoroscopy Simulator for precise treatment planning and image guidance
- LDR Brachytherapy System specifically for prostate cancer
- Surface-Guided Radiotherapy (SGRT) technology for high-precision, skin marker-less localization
Clinical Achievements
The Department of Radiation Oncology at AMC is one of the highest-volume centers in Korea, with outstanding treatment outcomes across a wide range of malignancies. The department is actively engaged in national and international clinical trials, academic research, and technological innovation, contributing significantly to the advancement of cancer care.
Faculty members are leaders in their respective fields, often invited to speak at global conferences and contribute to peer-reviewed publications.
Commitment to Innovation and Excellence
The Department of Radiation Oncology is are dedicated to continuous innovation in radiotherapy techniques and cancer biology research, striving to enhance treatment precision, efficacy, and patient quality of life. Through the integration of next-generation technologies—including heavy ion therapy—and the application of evidence-based, individualized treatment protocols, the department is shaping the future of precision cancer medicine.
Medical Specialities
Take a look at the treatment of major diseases in your department.
Lung Cancer
AMC Lung Cancer Center is different. We allow patients to receive fast diagnosis and best medical services as quickly as possible. We draw up treatment plans and schedules to allow patients to get diagnosis and medical care as soon as possible through specialists’ consultations and coordinators’ counseling service.
Stomach Cancer
Specialists in the fields related to stomach cancer such as stomach surgery, gastroenterology, oncology, radiology, and pathology as well as nurse practitioners always make efforts to improve the results of cancer treatment by offering accurate diagnosis and appropriate treatment for each patient, reporting postoperative progress, and performing additional treatment through complementary and coordinated cooperation.
Esophageal Cancer
AMC Esophageal Cancer Center has a collaboration system effectively run by experienced specialists who are leading various fields with advanced medical skills and expertise.
Colorectal Cancer
AMC Colorectal Cancer Center improves the prognosis of patients through a multidisciplinary system and integrated treatment to provide best treatment by embracing various opinions of specialists from relevant departments on liver metastasis that often occurs in colorectal cancers, lung metastasis, and locally recurrent cancers such as intractable colorectal cancer.
Breast Cancer
For the last two decades, AMC Breast Cancer Center has shown excellent treatment results of breast cancer with 89.3% of five-year survival rates of patients with all-stage cancers between 1989 and 2008 while 91.9% of five-year survival rates in all patients between 2003 and 2008, which is a 20% improvement of survival rates in 15 years.
Liver Cancer
AMC Liver Cancer Center established a systematic treatment system that allows liver cancer patients to receive optimal treatment in the best medical environment by ▲improving medical treatment of liver cancer patients ▲streamlining a surgery-related process and the use of surgical skills ▲reinforcing cooperation among departments, and ▲promoting a regular meeting and study for multidisciplinary treatment, and carry out high-quality researches.
Head and Neck Cancer
AMC Head and Neck Cancer Center runs a clinic for one-stop treatment and clinical research to provide professional consultations on surgical treatment, radiotherapy, drug therapy, how to improve lifestyles including a dietary life, and how to care for complications after surgery and radiotherapy.
Gynecologic Cancer
AMC Gynecologic Cancer Center provides specialized diagnosis, treatment, and care of cancers that occur in the internal and external genital organs (carcinomas) and premalignant lesion, and performs the largest number of high-quality treatment and surgeries.
Biliary Tract & Pancreatic Cancer
Around 2,000 first-visit patients with biliary tract and pancreatic cancer visit AMC and more than 800 surgeries for the cancer are performed every year. The number of outpatients has even doubled in five years.
Urologic Cancer
The AMC Cancer Institute has Korea’s first integrated treatment system that determines the best and optimal treatment for each patient through cooperation among the Department of Urology that offers specialized surgical treatments depending on the type of cancer; the Department of Oncology that performs pre-/post-operative palliative chemotherapy; the Department of Radiation Oncology that implements radical, adjuvant, or palliative radiation therapy; the Department of Radiology that takes a biopsy...
Bone Soft Tissue Sarcoma
AMC Bone & Soft Tissue Sarcoma Center has a collaboration system that allows specialists of the departments of orthopedic surgery, oncology, radiation oncology, pathology, and radiology with sufficient clinical experience and expertise to discuss together on how to decide the best treatment option for each patient.
Skin Cancer
At the Skin Cancer Center, a biopsy is taken on the same day when patients visit after consulting with specialists and coordinators and cooperation between specialists in dermatopathology and pathology provides the fastest and most accurate diagnosis.
Center for Precision Cancer Medicine
To boost the treatment and research activities, the Center for Precision Cancer Medicine shares patient treatment cases through the Molecular Tumor Board that was built for the first time in Korea in 2015 in cooperation with medical professionals of the Departments of Oncology, Pathology, and Biomedical Informatics, the Clinical Trial Center, and the ASAN-CCGD. The Center for...
Pituitary Disorders
The Pituitary Clinic at Asan Medical Center offers fast-track services for the diagnosis and treatment of patients with pituitary disorders. Specialists in endocrinology and metabolism, neurosurgery, and radiation oncology collaborate in sharing opinions to accurately and rapidly decide on optimal therapy and to treat the patients accordingly.
Doctors
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Kwak, Jung-won - Departments
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Radiation Oncology
- Specialty
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Radiotherapy
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KIM, SU SSAN - Departments
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Radiation Oncology, Cancer Patient Life Care Center, Breast Cancer Center, Lung Cancer Center, Skin Cancer center
- Specialty
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Cyber Knife, Breast cancer, Lung cancer
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KIM YEON JOO - Departments
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Radiation Oncology, Gynecologic Cancer Center, Urologic Cancer Center, Bone & Soft Tissue Sarcoma center
- Specialty
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Kim, Young-seok - Departments
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Radiation Oncology, Gynecologic Cancer Center, Urologic Cancer Center
- Specialty
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Gynecology & Urology cancer, Palliative Radiotherapy, Cyber Knife
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Kim, Jong-hoon - Departments
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Radiation Oncology, Digestive Disease Center, Liver Center, Liver Cancer center, Biliary & Pancreatic Cancer Center, Colorectal Cancer Center, Esophageal Cancer Center, Stomach Cancer Center
- Specialty
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Cyber Knife, Esophageal Cancer, Gastrointestinal Cancer, Liver Cancer
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PARK MIN JAE - Departments
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Radiation Oncology
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Jin-hong Park - Departments
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Radiation Oncology, Biliary & Pancreatic Cancer Center, Colorectal Cancer Center, Esophageal Cancer Center
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Cyber Knife, Rectal & Gastrointestinal Cancer, Palliative Radiotherapy, Brain Tumor
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Song, Si-yeol - Departments
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Radiation Oncology, Center for Personalized Cancer Medicine, Bone & Soft Tissue Sarcoma center, Lung Cancer Center, Skin Cancer center, Hematologic Cancer & BMT center
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Head & Neck Cancer, Lung Cancer, Sarcoma, Skin & Blood Cancer, Benign Tumor, Cyber Knife
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SHIN YOUNG SEOB - Departments
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Radiation Oncology, Head and Neck Cancer Center, Lung Cancer Center
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Ahn, Seung-do - Departments
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Radiation Oncology, Breast Cancer Center
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Cyber Knife, Breast Cancer, Lung cancer, Childhood Cancer
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Yoon, Sang Min - Departments
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Radiation Oncology, Liver Center, Liver Cancer center, Brain Tumor Center, Biliary & Pancreatic Cancer Center
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Brain Tumor, Liver Cancer, Cyber Knife, Gastrointestinal Cancer
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Lee, Sang-wook - Departments
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Radiation Oncology, Head and Neck Cancer Center, Hematologic Cancer & BMT center
- Specialty
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Head & Neck Cancer, Lymphoma, Blood Cancer, Cyber Knife
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Jung, Jin-hong - Departments
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Radiation Oncology, Liver Cancer center, Biliary & Pancreatic Cancer Center, Breast Cancer Center
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Chiyoung Jeong - Departments
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Radiation Oncology
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Cho, Byoung-chul - Departments
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Radiation Oncology
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Radiotherapy
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KIM HA UN - Departments
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Radiation Oncology
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LEE JAE HA - Departments
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Radiation Oncology
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LEE HYE IN - Departments
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Radiation Oncology
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