A number of mutual cancers
Cancer is a worldwide disease, but in different countries
, because of different environments, different ways of life and different cultures, cancers' incidence and common cancer types are different. In China, the main cancers are esophageal cancer, gastric cancer, colon cancer, liver cancer and NPC, lung cancer, breast cancer, cervical cancer, leukemia.
Esophageal cancer: our country is high-incidence esophageal cancer country, and also is the highest esophageal cancer mortality country in the world. In 1970s, a survey showed that carcinoma of esophagus mortality is stay the second position, only after the gastric cancer. Since the 1980s, in cancer incidence, esophageal cancer stay the second in male incidence, and the third in female. According to the 1990s survey, though the esophagus mortality decreased, it still on the top 4. In our country; esophageal cancer has a certain distribution. Generally speaking, the incidence of farmer is higher than city.
Stomach cancer: It is the first one in all of the cancers. In 1990s in the city was the second, but in the rural still ranks first. The incidence of a disease rise with the age, and did not change a lot.
Colorectal cancer incidence and mortality in China turns more and more. In nationwide, it is in four to six of the most common cancer. It is rated to the environment and living habits.
Liver cancer happens in our country and the frequency is very high. In all cancers mortality, liver cancer rank the third, 11 million deaths every year.
Nasopharyngeal carcinoma: South China is the high infection region, such as Guangdong, Guangxi, Hunan. Morbidity decreased along the south to north. And generally male is more than female.
Lung cancers: is the most common cancers. Its morbidity is rising year after year. According to the experts prediction, lung cancer is connected with the bad living habits. And what is more, lung cancer is rated with the smoking. The earlier and more you smoke, the harm will be bigger.
Breast cancer: It happen fewer in our country, but in recent years, it happens frequently. Women who suffer from breast cancer are nearly 100 times as men. Beijing, Tianjin, Shanghai and the coastal areas in China, is the area of breast cancer incidence. Mortality rate increased with age.
Cervical cancer is common in Gynecologic Cancers, and mortality rank the first. In our country, the age at onset is usually late, average 65 years old. The mortality is on the top 4.
Leukemia is one of the most common cancers in hemopoietic system. The morbidity ranked the 5 percent in all the cancers, and usually is teen-agers.
A number of mutual cancers
By: Ludwig
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