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+ {"source_url": "https://www.malaymail.com", "url": "https://www.malaymail.com/news/life/2020/01/02/study-finds-google-system-could-improve-breast-cancer-detection/1823927", "title": "Study finds Google system could improve breast cancer detection", "top_image": "https://media.malaymail.com/resize_cache/uploads/articles/2020/2020-01/aibcan0201-seo.jpg", "meta_img": "https://media.malaymail.com/resize_cache/uploads/articles/2020/2020-01/aibcan0201-seo.jpg", "images": ["https://media.malaymail.com/resize_cache/uploads/articles/2020/2020-01/aibcan0201-seo.jpg", "https://media.malaymail.com/uploads/articles/2020/2020-01/aibcan0201.jpg"], "movies": [], "text": "A yellow box indicates where an artificial intelligence (AI) system found cancer hiding inside breast tissue in this undated photo released January 1, 2020. \u2014 Northwestern University handout via Reuters\n\nCHICAGO, Jan 2 \u2014 A Google artificial intelligence system proved as good as expert radiologists at detecting which women had breast cancer based on screening mammograms and showed promise at reducing errors, researchers in the United States and Britain reported.\n\nThe study, published in the journal Nature yesterday, is the latest to show that artificial intelligence (AI) has the potential to improve the accuracy of screening for breast cancer, which affects one in eight women globally.\n\nRadiologists miss about 20 per cent of breast cancers in mammograms, the American Cancer Society says, and half of all women who get the screenings over a 10-year period have a false positive result.\n\nThe findings of the study, developed with Alphabet Inc's DeepMind AI unit, which merged with Google Health in September, represent a major advance in the potential for the early detection of breast cancer, Mozziyar Etemadi, one of its co-authors from Northwestern Medicine in Chicago, said.\n\nThe team, which included researchers at Imperial College London and Britain's National Health Service, trained the system to identify breast cancers on tens of thousands of mammograms.\n\nThey then compared the system's performance with the actual results from a set of 25,856 mammograms in the United Kingdom and 3,097 from the United States.\n\nThe study showed the AI system could identify cancers with a similar degree of accuracy to expert radiologists, while reducing the number of false positive results by 5.7 per cent in the US-based group and by 1.2 per cent in the British-based group.\n\nIt also cut the number of false negatives, where tests are wrongly classified as normal, by 9.4 per cent in the US group, and by 2.7 per cent in the British group.\n\nThese differences reflect the ways in which mammograms are read. In the United States, only one radiologist reads the results and the tests are done every one to two years. In Britain, the tests are done every three years, and each is read by two radiologists. When they disagree, a third is consulted.\n\n'Subtle cues'\n\nIn a separate test, the group pitted the AI system against six radiologists and found it outperformed them at accurately detecting breast cancers.\n\nConnie Lehman, chief of the breast imaging department at Harvard's Massachusetts General Hospital, said the results are in line with findings from several groups using AI to improve cancer detection in mammograms, including her own work.\n\nThe notion of using computers to improve cancer diagnostics is decades old, and computer-aided detection (CAD) systems are commonplace in mammography clinics, yet CAD programs have not improved performance in clinical practice.\n\nThe issue, Lehman said, is that current CAD programmes were trained to identify things human radiologists can see, whereas with AI, computers learn to spot cancers based on the actual results of thousands of mammograms.\n\nThis has the potential to \u201cexceed human capacity to identify subtle cues that the human eye and brain aren't able to perceive,\u201d Lehman added.\n\nAlthough computers have not been \u201csuper helpful\u201d so far, \u201cwhat we've shown at least in tens of thousands of mammograms is the tool can actually make a very well-informed decision,\u201d Etemadi said.\n\nThe study has some limitations. Most of the tests were done using the same type of imaging equipment, and the US group contained a lot of patients with confirmed breast cancers.\n\nCrucially, the team has yet to show the tool improves patient care, said Dr Lisa Watanabe, chief medical officer of CureMetrix, whose AI mammogram program won US approval last year.\n\n\u201cAI software is only helpful if it actually moves the dial for the radiologist,\u201d she said.\n\nEtemadi agreed that those studies are needed, as is regulatory approval, a process that could take several years. \u2014 Reuters", "keywords": [], "meta_keywords": ["breast cancer detection", "artificial intelligence helpful", "google system", "shows promise"], "tags": [], "authors": [], "publish_date": "Thu Jan 2 00:00:00 2020", "summary": "", "article_html": "", "meta_description": "CHICAGO, Jan 2 \u2014 A Google artificial intelligence system proved as good as expert radiologists at detecting which women had breast cancer based on screening mammograms and showed promise at reducing errors, researchers in the United States and Britain reported. The study, published in the journal...", "meta_lang": "en", "meta_favicon": "https://www.malaymail.com/graphics/meta/main/logo-32x32.png", "meta_data": {"keywords": "breast cancer detection, artificial intelligence helpful, google system, shows promise", "fb": {"app_id": 1709756459249190, "pages": 163335377171805}, "twitter": {"site": "@malaymail", "creator": "@malaymail", "card": "summary_large_image", "title": "Study finds Google system could improve breast cancer detection | Malay Mail", "url": "https://www.malaymail.com/news/life/2020/01/02/study-finds-google-system-could-improve-breast-cancer-detection/1823927", "description": "CHICAGO, Jan 2 \u2014 A Google artificial intelligence system proved as good as expert radiologists at detecting which women had breast cancer based on screening mammograms and showed promise at reducing errors, researchers in the United States and Britain reported. The study, published in the journal...", "image": "https://media.malaymail.com/resize_cache/uploads/articles/2020/2020-01/aibcan0201-seo.jpg"}, "og": {"title": "Study finds Google system could improve breast cancer detection | Malay Mail", "type": "website", "url": "https://www.malaymail.com/news/life/2020/01/02/study-finds-google-system-could-improve-breast-cancer-detection/1823927", "description": "CHICAGO, Jan 2 \u2014 A Google artificial intelligence system proved as good as expert radiologists at detecting which women had breast cancer based on screening mammograms and showed promise at reducing errors, researchers in the United States and Britain reported. 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