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January 11, 2013

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Home » Metro » Health and Science

Elderly, habits give city highest cancer rate

SHANGHAI still has the highest incidence of cancer in the nation and is one of the regions with a comparatively high prevalence of gastric cancer.

The high cancer rate is linked to Shanghai's large number of elderly and the persistence of unhealthy habits like smoking, while gastric cancer is also linked to the high infection rate of a certain bacteria, officials from Shanghai Center for Disease Control and Prevention said yesterday. The bacterium, Helicobacter pylori, grows in the mucus of stomach lining.

The city's incidence of cancer is over 350 out of every 100,000 people, while the national rate is 285.91, according to China Cancer Registry Annual Report.

Every year, the nation has 3.12 million new cancer patients and 2.7 million people die of the disease, according to the report. The incidence of cancer for people over 40 years of age starts to rise quickly and people reaching age 80 have the highest prevalence.

Lung cancer is China's top cancer, followed by gastric, colorectal, liver and esophageal cancers, the report said. The top cancer killer is lung cancer, followed by liver, gastric, esophageal and colorectal cancers.

Dr Chen Wanqing, vice director of the National Cancer Center, said the increase in the elderly population is the main cause of the rise in both the incidence and mortality of cancer.

The report showed that colorectal cancer is rising quickly in urban areas.

The provinces of Henan and Hebei have comparatively high incidences of esophageal cancer. There is a high incidence of gastric cancer in northwestern China, coastal regions like Shanghai, and the provinces of Jiangsu, Gansu and Qinghai. Liver cancer is high in China's southeast and northeast.

Aside from the population aging, cancer is becoming more common in the city because people are eating less healthy diets, leading more sedentary lives and smoking and drinking more, said Dr Wu Chunxiao of the Shanghai Center for Disease Control and Prevention's tumor department.

The top five cancers for males were lung, stomach, liver, colon and rectal cancers.

The most prevalent in women were breast, lung, stomach, colon and liver cancers.


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