Aruka Clinic, located in Yunowaki, Suwa City, Nagano Prefecture, specializes in nephrology and urology. Clinic Director Dr. Seiji Ariga is a specialist and clinical instructor from the Department of Urology at the University of Tokyo Faculty of Medicine. With experience researching kidney stones in the United States, Dr. Ariga provides comprehensive care from a broad perspective that includes nephrology and dialysis medicine. In addition to urology, the clinic also treats general internal medicine conditions, and is equipped with X-ray, ultrasound, and CT imaging to detect hidden diseases. Clinic hours are 9 AM to 12 PM and 3 PM to 6:30 PM, with closures on the afternoons of the 1st and 3rd Thursdays, 2nd, 4th, and 5th Saturdays, Sundays, and holidays. The CT scanner features a wide 78 cm opening with low-dose radiation technology, enabling full-body diagnosis from head to chest and abdomen. English language service is available, and the clinic accepts credit cards and electronic payments, with parking and barrier-free access. The medical team takes time with each patient, providing careful explanations with drawings to ensure patient understanding.