Cancer is a worldwide disease, however in separate countries, for the reason of different environments, various customs of life and unique cultures, cancers' incidence and common cancer brands are different.
We know cancer take place all over the word,
while due to different conditions, different ways of life and different cultures in different countries, cancers' incidence morbidity and familiar cancers kinds are unlike. Take China for example, the major cancers are carcinoma of esophagus, carcinoma of stomach, colorectal cancer, hematoma, nasopharyngeal carcinoma, CLC, breast carcinoma, cervical carcinoma and APL.
Carcinoma of esophagus: In our country, there are many people suffer from carcinoma of esophagus, and death rate is very high. 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. In the early 1990s, in all sorts of cancers, esophagus mortality declined, but still relied on the top 3-4. There is a certain area distribution in esophageal. In general; the esophageal cancer is more likely happening in the countryside.
Stomach cancer: In the past, the stomach deaths stay the top one. In 1990s in the city was the second, but in the rural still ranks first. Morbidity didn't change, and increased with the age.
Colorectal cancer incidence and mortality in China turns more and more. All over the world, colorectal cancer can be the top four to six. It is concerned with surroundings and living habit.
Liver cancer happens in our country and the frequency is very high. All over the worldwide, liver cancer stayed the top three, died 11 million every year.
Nasopharyngeal carcinoma: The south area is the high infection region, for example, Guangdong, Guangxi, Hunan and so on. Morbidity decreased along the south to north. And generally male is more than female.
Lung cancer: lung cancer is one of the most common cancers. The death rate is becoming bigger and bigger. According to the experts prediction, lung cancer is connected with the bad living habits. What's more; lung cancer can be resulted in 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. And the older you are, the more possibility you will be.
In Gynecologic Cancers, cervical cancer can be say the first cancer and the mortality is very high. In our country, the age at onset is usually late, average 65 years old. The mortality is on the top 4.
Leukemia is a kind of common hematopoietic system of malignant tumor of cancer incidence. The morbidity is 5 percent in all the death in all the cancers.