Cancer of to the reason of the disease

A, inside because of:
(1)immunity appearance:Like congenital immunity blemish, various factor causes immunity dint's descending, such as because of applying an immunity product over a long period of time, its tumor outbreak's leading is higher than a normal person many times.
(2)inherit a factor:The colon polyp sees the retina female cell lump, breast cancer, stomach cancer.
(3)the endocrine is out of tune:The sex hormone equilibrium mess overs the long-term application of measuring the hormone, like ovary hormone, estrogen, hang a body to urge sex gland hormone, thyroid gland hormone can induct an ovary cancer, testicle cancer, womb cancer and thyroid gland cancer.
(4)age factor;The lung cancer, liver cancer and oesophagus cancer is much seen to 40 years old above, the lymphoid lump, female cell lump is seen to teenager more.
(5)the embryo survive organization:Have the Ji foetus the lump, skin kind the bag Be swollen to wait.
Two, outside because of:
(1)sunlight, kerosene, contain nitrogen to turn thing, second nitrate.
(2)physical sex factor:Chronic burning disease, ulcerate, burn, ultraviolet ray.
(3)living creature factor:The tumor that the virus can cause, the white song mildewed in the plain benzene of Huang Qu Mei, the second nitric acid An can induct a cancer.
(4)other factors:Little food food fiber, like colon cancer, tobacco, the outer skin leads long etc..