Masa Breast Clinic (Isa Nyusen Clinic), operated by a medical corporation, is located in Hanabatake, Kurume City, Fukuoka Prefecture, and provides breast disease-focused care alongside general internal medicine. True to its name, the clinic serves as a breast specialist facility supporting the health of the local community, with physicians actively staying current by attending breast cancer academic conferences. The clinic also participates in city-sponsored cancer screening programs, accepting online reservations for breast cancer and other cancer screenings. Specialized outpatient services are available, including breastfeeding consultations and a lymphedema clinic, enabling the facility to meet a wide range of patient needs. English-language support is available, making the clinic accessible to patients who require assistance in languages other than Japanese. Payment options include cash, credit cards, and electronic payment methods for added convenience. The clinic offers on-site parking and is designed with barrier-free accessibility, ensuring ease of access for patients arriving by car or those requiring physical assistance. As part of its commitment to healthcare digital transformation, the clinic has implemented online eligibility verification via My Number Card and actively utilizes medication history and specific health checkup information. Consultation hours are 9:00–12:30 in the morning and 14:00–18:00 in the afternoon, with the clinic closed on Thursdays, Sundays, and public holidays.