[Overview]

Cancer of the stomach is to come from the malignant tumor with gastric epithelial mucous membrane. Occupy a stomach the 95 ％ of malignant tumor. Clinical and inchoate 70% above are without a symptom, in obstacle of block of haemorrhage of ache of terminal occurrence epigastrium, enteron, perforative, pylorus, angular, lack of power, metabolization and cancer are swollen the corresponding symptom that diffuses to transfer and be caused. Cancer of the stomach is in our country incidence of a disease is very high, mortality occupies the first of malignant tumor, countrywide cancer of the stomach is average mortality is as high as 20/10 10 thousand, any ages all can happen, with 50-60 year old be in the majority, of incidence of a disease of male and female than be 3.2-3.6 ∶ 1. Year of incidence of a disease of world cancer of the stomach for 17. 6/10 10 thousand, the country such as Japan, Denmark incidence of a disease is high, and the United States and Australia are inferior, tall hair area is with the foreland such as Shandong, Zhejiang, Shanghai, Fujian in our country. 　　
Cancer of the stomach has a disease to hide, inchoate often leak because of having apparent symptom examine, easy move and recrudesce, the characteristic such as prognostic difference.
" of a place of strategic importance of choke of painful " of gastral cavity of " of accumulation of the " of " Fu Liang that cancer of the stomach belongs to a doctor of traditional Chinese medicine to learn, " , " , " and " stomach turn over the category such as " .

[The pathogeny learns]
(one) environmental element
The apparent difference specification of different country and area incidence of a disease and environmental element are concerned, among them the mainest is dietary element.
Salt may be outside source sex cancer of the stomach causes one of elements, the dweller absorbs salt incidence of a disease of much national cancer of the stomach is high also. Inferior saltpetre amine compound causes cancer of the stomach successfully inside animal body. Fumigated cruelly oppress is contained 3 more, 4- benzene and Bi (Benzopyrene) ; Mildewy food contains more fungus toxin; After rice is machined outside Fu has French chalk, its chemistry and structure are as similar as asbestos fiber, afore-mentioned material all are thought to have the effect that cause cancer.
(2) genetic element
Incidence of a disease of the cancer of the stomach in certain family is higher. The person that a few data make clear to cancer of the stomach happens at A blood type relatively O blood type person for many.
(3) immune element
The incidence of a disease of person cancer of the stomach with immune low function is higher, likelihood obstacle of airframe immunity function, to the immunity of cancer supervisory action drops, there is certain sense in happening of cancer of the stomach.
(4) cancerous early days changes
Change of alleged cancer early days is to point to certain have stronger evil change the pathological changes of the tendency, if this kind of pathological changes does not give processing, possible development is cancer of the stomach. Change of cancerous early days includes state of cancerous early days (Precancerous Conditions) with pathological changes of cancerous early days (Precancerous Lesions) .
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