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大肠癌(包括结肠癌和直肠癌)是消化道常见的恶性肿瘤。各国发病率高低不一,美国白种人发病高达17/10万(男性),日本为4/10万(男性)。我国目前尚无系统计资资料,据不完全统计,约占所有癌肿发病的第五位。浙江海宁是血吸虫病流行地区,为了了解大肠癌的发病情况并探索其与血吸虫病的关系,我们于一九七七年九月——一九七八年四月在全县范围内进行了一次以大肠癌为中心的综合查病。检查出息肉2755例,今就病史、肠道症状、大便隐血检查及有关大肠癌、癌前病变等问题作初步探讨。资料与方法按事先拟定的统一表格对30岁以上人群询问有关大肠癌及癌前病变的病史、肠道症状并
Colorectal cancer (including colon cancer and rectal cancer) is a common malignant tumor of the digestive tract. The incidence rate varies from country to country. The incidence of whites in the United States is as high as 17/100,000 (male) and 4/100,000 (male) in Japan. In China, there is currently no systemic capital data. According to incomplete statistics, it accounts for about the fifth highest incidence of cancer. Zhejiang Haining is an endemic region of schistosomiasis. To understand the incidence of colorectal cancer and to explore its relationship with schistosomiasis, we conducted a trial in the county in April 1978 - April 1978. Comprehensive disease investigation centered on colorectal cancer. Examining 2755 cases of polyps, this issue will be discussed in terms of medical history, intestinal symptoms, fecal occult blood tests, and related issues such as colorectal cancer and precancerous lesions. Materials and Methods Patients in the 30-year-old group were asked about the history of colon cancer and precancerous lesions and bowel symptoms according to a pre-determined, unified form.