中國網(wǎng)站品牌欄目（頻道）
The high rate of lung cancer in Beijing, which has increased dramatically over the past decade, shows the necessity for stricter control of smoking, experts said.
The incidence rate of the disease in 2010 was 56 percent higher than it was in 2001, with an average annual growth rate of 2.4 percent, according to the Beijing Health Bureau.
Lung cancer also accounted for a large proportion of malignant tumors that occurred in residents in 2010. It is not only the most prevalent kind of tumor in male cancer patients, but also the second-most prevalent in female cancer patients, after breast cancer.
"The primary cause for the disease is smoking," said Lei Haichao, the bureau's deputy director. "More than 90 percent of lung cancer cases are deemed as caused by smoking, including passive smoking. The risk for people who live with smokers to develop lung cancer is 20 to 30 percent higher than those who don't."
According to Zhi Xiuyi, an expert in thoracic surgery at Xuanwu Hospital in Beijing, more people getting annual physical checkups is a reason for the higher incidence rate because more lung cancer cases are being discovered than they were when physical exams were not as popular.
Also, an aging population tends to heighten the incidence rate.
However, he emphasized that smoking, a major cause of the disease, needs to be rooted out.
"The number of smokers has barely dropped over the years in Beijing, and passive smoking remains a public health issue," he said.
"The prevalence of lung cancer in the area right now is a reflection of the prevalence of smoking 20 years ago," said Yang Gonghuan, deputy director of the nongovernmental China Association on Tobacco Control, suggesting that a number of lung cancer patients this year were exposed to tobacco on a regular basis 20 years ago.
Yang Jie, deputy director of the Chinese Center for Disease Control and Prevention's tobacco control office, agreed.
To deal with the disease, the capital is working on several projects.
This March, the Beijing Health Bureau and the Office of Tumor Prevention and Treatment of the Beijing Cancer Hospital carried out a project that provided screening of early-stage lung cancer for free for 312 residents aged 55 to 69, and who have been smoking on a daily basis for at least 10 years, and found two early-stage cases.
Beijing issued a smoking ban in public areas in 1995. In 2008, it issued another government order that stated that entertainment businesses, such as restaurants and Internet cafes, can set aside smoking areas, but should ban smoking in other areas.
（中國日報網(wǎng)英語點津 Helen 編輯）
About the broadcaster:
Nelly Min is an editor at China Daily with more than 10 years of experience as a newspaper editor and photographer. She has worked at major newspapers in the U.S., including the Los Angeles Times and the Detroit Free Press. She is also fluent in Korean.
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