The premise that therapeutics of the avirulent alignment that fight cancer produ

One, the harm sex that malignant tumor reachs a whole world in our country. Malignant tumor is minatory mankind life and health is principal enemy
Person, its incidence of a disease still rises in year after year, till 20 centuries end, the whole world is annual new incidence of a disease counts more than 10 million person, year dead number exceeds 7 million, if the developed country is beautiful, day, heart, law, flower etc country and our country are big in urban cancer death occupies one of complete cause of death. There is in every 5 cause of death is cancer. According to our country concerned statistic data makes clear in town the mortality of malignant tumor, by what total death takes at the beginning of 70 time 16.3% increase to 21.88% to 80 time end, rise by the 3rd in cause of death the first. Rise from the 4th in the country the 2nd. Increase as year after year of proportion of population of our country city, environmental problem, food, the undesirable lifestyle of the respect such as smoking and be used to　
Be used to, the incidence of a disease that anticipates certain and common tumour is like lung cancer and mortality still will increase apparently. No matter anybody suffers from,go up the stern test that malignant tumor faces life and death, cause tremendous effect to patient and family member and society. Accordingly, prevention and cure is malign the first job that tumor is disease of prevention and cure of whole world of our country down to, it is whole society especially medical domain waits for settlement major task urgently.

2, the progress general situation of cancer of human prevention and cure. Science prevents cancer efficiently to treat the difficult problem that cancer is world-class, also be complete mankind's collective strong desire and pressing requirement. World Health Organization (WHO) advocate the country with positive long-term development to control cancer strategy, people of appeal whole world acts, cancer of active prevention and cure. Its most efficient way is precaution, the basiccest measure is the cause of disease that eliminate or prevents cancer and critical factor. Thereby conquer cancer. When this age bound, cancer of prevention and cure has obtained major breakthrough, world Health Organization (WHO) point out: Cent of cancer of prevention and cure is 3 class precaution: Ⅰ class precaution makes the cancer of 1/3 passes sex of the look up before adopting precautionary measures need not contract cancer; Ⅱ class precaution is to pass 3 early (inchoate discovery, inchoate diagnose, inchoate cure) make the patient of 1/3 gets curing; When Ⅲ class prevents the patient that still has 1/3 to see a doctor, already was medium terminal namely the Ⅲ of cancer - Ⅳ period, cure can reduce anguish only, improve life quality, lengthen live period.
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