Sapporo Keiyukai Hospital, operated by the Social Medical Corporation Keiyukai, is located in Shiroishi Ward, Sapporo City, Hokkaido, and provides advanced specialized medical care centered on oncology. Having opened as a new hospital in August 2021, the facility houses a wide range of departments including cardiology, gastrointestinal surgery, thoracic surgery, breast surgery, and medical oncology. Designated by the national government as a Regional Cancer Care Cooperation Base Hospital, the institution plays a central role in regional cancer treatment. Surgical procedures are performed using the da Vinci robotic surgical system, enabling minimally invasive treatment that reduces the physical burden on patients. In radiation therapy, the hospital maintains a track record of over 600 cases annually, providing consistently high-precision treatment. Approximately 3,400 outpatient chemotherapy sessions are conducted per year, primarily for gastrointestinal cancers, reflecting the hospital's high level of oncological expertise. Diagnostic equipment includes PET/CT scanners and 3D mammography systems, demonstrating a proactive commitment to early cancer detection. English-language communication is available, and credit card and electronic payment options are accepted. The facility offers ample parking and is fully barrier-free, ensuring accessibility for a wide range of patients. Consultations are available on weekdays only; the hospital is closed on weekends, public holidays, and during the year-end and New Year period (December 31 and January 1–3).