Sono-kai Radiology Clinic is located in Hokima, Adachi Ward, Tokyo, and offers Internal Medicine, Dermatology, Psychiatry, and Radiation Therapy as medical departments. The clinic opened in December 2013 and began radiation therapy in February of the following year. The clinic provides English support and has a parking lot and barrier-free facilities, with Sundays and holidays as closed days. In terms of medical care, Director Saito and Vice Director Sekiguchi have received high recognition in their specialties, with Director Saito selected for Best Doctors in 2014. Vice Director Sekiguchi has served as a committee member for the Breast Cancer Clinical Practice Guidelines by the Japanese Breast Cancer Society since 2001 and has held positions such as chairman and vice chairman of the Radiation Therapy Section. Both doctors were also selected for Best Doctors in 2018-2019. Director Saito was certified as a Living Will Support Physician by the Japan Society for Dying with Dignity in 2018 and has contributed to multiple specialized books including the Nanzando Medical Dictionary, Breast Cancer Clinical Practice Guidelines Treatment Edition, and Introduction to Cancer Radiation Therapy Nursing. Dr. Sekiguchi joined the clinic in April 2014, and efforts have been made to strengthen the medical system, such as updating the outpatient examination duty schedule and disclosing information regarding enhanced function fees.