Located at Kiyomidai, Kisarazu City, Chiba Prefecture, Shiseikai Royal Clinic, a medical corporation, has been dedicated to providing patient-centered healthcare services since its establishment in 1985. The clinic offers internal medicine alongside breast surgery and ophthalmology departments, with specialists in each field conducting various examinations and comprehensive health checkups using the latest equipment. Clinic hours are from 9:00 AM to 12:00 PM and 2:00 PM to 5:30 PM, with Saturday afternoons, Sundays, and national holidays closed. Notably, the clinic performs SalivaChecker, a cancer risk screening test using saliva, and also organizes outreach activities such as 'Health Promotion Seminars' to educate the community about advancing medical technologies and preventive methods. English language services are available, and both credit cards and electronic payments are accepted. Parking and barrier-free facilities are also provided.