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新闻背景:
\"The challenge is most people present when it\'s very late stage, and it\'s about managing symptoms as opposed to curing them. So the key thing that you can do is detect the disease early._____________________________________.\" The testing of the Owlstone breathalyzer is currently limited to patients with suspected esophageal and stomach cancers. Esophageal cancer is a leading cause of cancer deaths around the world. Most cases are reported in developing countries. Esophageal cancer in its early stages usually has no signs. However, the chemical markers of the disease are present even in the earliest stage. Over the two-year trial, researchers will extend testing of the breathalyzer to include patients with other cancers.“大多数人面临的挑战是,在癌症晚期才发现得病,这时主要就是控制症状,而不是治愈癌症了。”所以你能做的最关键的是及早发现疾病。_____________________________________。\"奥斯通的呼吸测试仪的测试范围目前仅限于疑似患有食道癌和胃癌的患者。食道癌是全世界癌症死亡的主要原因。大多数病例报告发生在发展中国家。食管癌在其早期通常没有迹象。然而,这种疾病的化学标记甚至在最早期就存在。在为期两年的试验中,研究人员将扩大呼吸测试的范围,将其他癌症患者包括在内。

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