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Radiation oncology is a specialty of medicine
that involves the therapeutic applications of ionizing radiation to treat disease, especially cancers.

As it entails knowledge of physics and biology, radiation oncology is comprised of three divisions: Radiation Therapy, Radiation Biology, and Radiation Physics.

Radiation therapy (or radiotherapy) is a clinical modality that uses various forms of ionizing radiation in the treatment of patients with cancer. Radiation therapy seeks to eradicate or shrink the cancer cells while sparing the surrounding healthy tissue from radiation damage.

As it is one of the three major anti-cancer therapies, radiation therapy may be used alone or in combination with surgery, chemotherapy and/or biologic therapy to cure or alleviate cancer.
Radiation therapy can be applied against cancers that occur in almost any area of the body - the central nervous system, head and neck, thorax, gastrointestinal system, genitourinary system, gynecology, hematology, bone and soft tissue, pediatric, metastasis, etc. Occasionally, radiation therapy may also be applied non cancerous conditions such as thyroid-associated orbitopathy, hypertrophic scar, arterio-venous malformation, heterotopic ossification, etc.

The Department of Radiation Oncology at Asan Medical Center is nationally renowned for providing the highest level of treatment and care to cancer patients. Specially trained board certified radiation oncologists offer a wide range of radiation therapy that includes the most advanced forms of treatment. Faculty members participate in the activities of the Asan Cancer Center where patients' evaluation and treatment are now performed by multidisciplinary teams organized according to cancer diagnosis.

Committed to the practice of evidence - based medicine, the Cancer Center team is continually finding new and better treatment options to improve the treatment outcomes of cancer patients.

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

  • Kwak, Jung-won
    Kwak, Jung-won
    Departments

    Radiation Oncology

    Specialty

    Radiotherapy

  • KIM, SU SSAN
    KIM, SU SSAN
    Departments

    Radiation Oncology, Breast Cancer center, Lung Cancer center, Skin Cancer center

    Specialty

    Cyber Knife, Breast cancer, Lung cancer

  • KIM YEON JOO
    KIM YEON JOO
    Departments

    Radiation Oncology, Urologic Cancer center

    Specialty

  • Kim, Young-seok
    Kim, Young-seok
    Departments

    Radiation Oncology, Gynecologic Cancer center, Urologic Cancer center

    Specialty

    Gynecology & Urology cancer, Palliative Radiotherapy, Cyber Knife

  • Kim, Jong-hoon
    Kim, Jong-hoon
    Departments

    Radiation Oncology, Liver Center, Liver Cancer center, Biliary & Pancreatic Cancer center, Colorectal Cancer center, Esophageal Cancer center, Stomach Cancer center

    Specialty

    Cyber Knife, Esophageal Cancer, Gastrointestinal Cancer, Liver Cancer

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    PARK MIN JAE
    Departments

    Radiation Oncology

    Specialty

  • Jin-hong Park
    Jin-hong Park
    Departments

    Radiation Oncology, Biliary & Pancreatic Cancer center, Colorectal Cancer center, Esophageal Cancer center

    Specialty

    Cyber Knife, Rectal & Gastrointestinal Cancer, Palliative Radiotherapy, Brain Tumor

  • Song, Si-yeol
    Song, Si-yeol
    Departments

    Radiation Oncology, Center for Personalized Cancer Medicine, Bone & Soft Tissue Sarcoma center, Lung Cancer center, Skin Cancer center, Hematologic Cancer & BMT center

    Specialty

    Head & Neck Cancer, Lung Cancer, Sarcoma, Skin & Blood Cancer, Benign Tumor, Cyber Knife

  • Ahn, Seung-do
    Ahn, Seung-do
    Departments

    Radiation Oncology, Breast Cancer center

    Specialty

    Cyber Knife, Breast Cancer, Lung cancer, Childhood Cancer

  • Yoon, Sang Min
    Yoon, Sang Min
    Departments

    Radiation Oncology, Liver Center, Liver Cancer center, Brain Tumor center, Biliary & Pancreatic Cancer center

    Specialty

    Brain Tumor, Liver Cancer, Cyber Knife, Gastrointestinal Cancer

  • Lee, Sang-wook
    Lee, Sang-wook
    Departments

    Radiation Oncology, Head and Neck Cancer center, Hematologic Cancer & BMT center

    Specialty

    Head & Neck Cancer, Lymphoma, Blood Cancer, Cyber Knife

  • Jung, Jin-hong
    Jung, Jin-hong
    Departments

    Radiation Oncology, Liver Center, Liver Cancer center, Biliary & Pancreatic Cancer center, Colorectal Cancer center, Breast Cancer center

    Specialty

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    Chiyoung Jeong
    Departments

    Radiation Oncology

    Specialty

  • Cho, Byoung-chul
    Cho, Byoung-chul
    Departments

    Radiation Oncology

    Specialty

    Radiotherapy

  • Choi, Eun-kung
    Choi, Eun-kung
    Departments

    Radiation Oncology, Breast Cancer center, Center for Personalized Cancer Medicine, Lung Cancer center

    Specialty

    Cyber Knife, Lung Cancer, Breast Cancer, Thymus Cancer

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    SHIN YOUNG SEOB
    Departments

    Radiation Oncology

    Specialty

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    LEE SUMIN
    Departments

    Radiation Oncology, Radiation Oncology

    Specialty