St. Luke’s International Hospital

St. Luke’s International Hospital

Radiation Oncology Department


All doctors are specialists or certified physicians of the Japanese Society for Therapeutic Radiology and Oncology. They treat a wide range of malignant tumors from head and neck tumors to pediatric tumors.

The department of Radiation Oncology conducts organic team medicine in order for all staff with a high degree of knowledge and technique to maximize their specialty. All physicians are therapeutic radiologists certified by academic society, and all radiologic technologists offer high quality service under the guidance of a certified radiotherapy quality manager. High level of quality assurance and control is guaranteed by certified medical physicists. The registered nurses also specialize in therapeutic radiology, not only with their professional knowledge, but also by providing psychological support to cancer patients. These staff regularly exchange information with the patients, and aim to conduct treatment with the least anxiety and pain.

We cover various tumors from head and neck cancer to pediatric tumor, and our breast cancer patients are especially large in number when compared nationally. We have considerable experience and advanced techniques. For example, the ultrasound-guided reference system is introduced for prostate cancer as a part of image-guided radiation therapy. After precisely detecting the location of the prostate using this system, intensity-modulated radiation therapy is conducted every day, which is part of high-precision radiation therapy. For low-risk prostate cancer, we can offer non-invasive procedures such as brachytherapy using Iodine 125. For small lung tumors that cannot undergo surgery, we are also able to conduct stereotactic radiotherapy that treats 'pinpoint' areas on an outpatient basis.

We also give consideration to amenities for cancer patients who visit every day for radiation therapy. We can set preferred music in the treatment room for those who wish. Although low in frequency, we have made pamphlets for small children with cancer and sometimes play children’s DVD during irradiation, for them to feel comfortable.

Diseases and Expertise

  • Breast Cancer
  • Prostate Cancer
  • Lung Cancer
  • Head and Neck Tumor
  • Malignant Lymphoma
  • Brain Tumor

All of the above and other malignant tumors in general.


  • LINAC (Linear Accelerator) Therapy – 2 machines (4,6,10MV-X-Ray)
  • CT for Radiation Therapy (16 slice) – 1 machine
  • 3D Radiotherapy Treatment Planning System – 4 machines
  • 3D Ultrasound Imaging System
  • Prostate Brachytherapy System
  • Respiratory-Gated System