In the final instalment of a four-part Health Matters wellness series on frontier medicine in Hong Kong, Elizabeth Cheung examines a dual-arm surgical robot that could remove gastrointestinal tumours in about half the usual time, and the hurdles between its first human trials and wider patient access. Ho Man-wai underwent a colonoscopy in late August, during which doctors identified three polyps that needed to be removed before they could develop into cancer. Two were removed during the initial...