幽门螺杆菌感染与胃癌有关吗？
幽门螺杆菌感染是胃癌发生的主因。[{'character': '幽', 'pinyin': 'iou1', 'highest pitch': 11.01, 'lowest pitch': 9.79, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 10.57, 'lowest pitch': 8.41, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '螺', 'pinyin': 'luo2', 'highest pitch': 8.83, 'lowest pitch': 8.07, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '杆', 'pinyin': 'gan3', 'highest pitch': 9.64, 'lowest pitch': 6.4, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '菌', 'pinyin': 'jvn1', 'highest pitch': 9.3, 'lowest pitch': 6.79, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '感', 'pinyin': 'gan2', 'highest pitch': 8.64, 'lowest pitch': 6.57, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '染', 'pinyin': 'ran3', 'highest pitch': 8.3, 'lowest pitch': 5.52, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.03}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 8.69, 'lowest pitch': 8.1, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '胃', 'pinyin': 'uei4', 'highest pitch': 10.68, 'lowest pitch': 8.1, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '癌', 'pinyin': 'ai2', 'highest pitch': 8.79, 'lowest pitch': 6.8, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 9.01, 'lowest pitch': 7.69, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 9.55, 'lowest pitch': 8.64, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.8, 'lowest pitch': 7.91, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 7.73, 'lowest pitch': 5.51, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '因', 'pinyin': 'in1', 'highest pitch': 8.89, 'lowest pitch': 5.55, 'duration': 0.34, 'prosody hierarchy': '#4'}]