Ōtaki-chō Mammary & Gastroenterology Clinic is a medical clinic located on the 7th floor of Yokosuka Tower in Ōtaki-chō, Yokosuka City, specializing in mammary glands and gastroenterology. The clinic focuses on breast cancer screening and provides detailed diagnosis by combining mammography and ultrasound examinations. The clinic is equipped with state-of-the-art mammography equipment that captures high-definition images with low radiation doses, high-sensitivity ultrasound equipment, and transnasal endoscope equipment featuring high-output LED light sources and the latest image processing functions. In addition to diagnosis and treatment for breast symptoms such as lumps, pain, and discharge, the clinic also addresses digestive symptoms including abdominal pain, vomiting, diarrhea, and constipation, as well as general internal medicine symptoms like fever, cough, sore throat, and headache. The clinic is a designated medical institution for Yokosuka City citizen screening and is also a designated facility for detailed examination in Yokosuka City breast cancer screening. The director has obtained the AS evaluation, which is the highest rating for mammography interpretation, and the clinic provides English-language services and barrier-free access.