The main cause of disease of mammary glands cancer is what

The mammary glands cancer really slices a cause of disease up to now still without the hard conclusion.The mammary glands cancer cause of disease learns to involve to various possible factors, therefore, the occurrence that can say a mammary glands cancer probably has something to do with a little bit following factors:
(1)inherit easy sensitive faculty:The clinical data of the household history survey expresses, there is the mammary glands cancer incidence rate of household history comparing non- household history have to be high.Especially double side mammary glands cancer sufferer and to compare with the small, outbreak age, these women take place the risk of breast cancer as 9 times that of general women and probably have something to do with gene and make it have to easy feeling physical endowment and pathological changes of mammary glands cancer inside because of.
(2)endocrine factor:The endocrine is out of tune to is one of the cause of disease of mammary glands cancer.Because the breast is subjected to excrescent incitement of the endocrine vegetable over a long period of time and make the mammary glands organized a cancer to change, among them, estrogen and Huang Ti Su is bad with mammary glands to become two kinds of the most close endocrine vegetable.This already successively drive many clinical, pathology and physiologist confirm.
(3)virus factor:The virus grain can pass breast feed infection and cause breast cancer's taking place, this has already passed a more animal experiment confirm, so some scholars calculate the cause of disease of mammary glands cancer probably for the virus, but didn't°yet ample Epidemiology the basis is treated to a further research.
(4)other factor:The machine body anti-cancer immunity function is lowly and make the immunity function of anti-cancer factor been repressed;And the breast contains external injury incitement and has already projected line harm etc. and all have to easily take place a mammary glands cancer of report way.