ATLANTA – Colon cancer deaths could drop dramatically in the next decade because of better screening and treatment, according to an optimistic new prediction by top researchers.
The estimate was made in an annual report that shows that, overall, the U.S. cancer death rate is continuing to decline, as it has since the 1990s.
The report released Monday focuses largely on cancers of the colon and rectum, which together are the third leading cancer killer in the U.S. An estimated 50,000 people will die from it this year.
The battle against colorectal cancer has been a growing success story: The death rate dropped roughly 20 percent in the last 10 years, according to American Cancer Society figures.
The new report – by researchers at the advocacy group and other organizations – predicts that death rate will drop even more over the next decade. By 2020, the rate could be half what it was in 2000, they said.
The prediction assumes colon cancer screening and improved chemotherapy treatment will become more and more common, and colon cancer contributors like smoking and red meat consumption will decline.
The prediction is “optimistic but realistic,” said Elizabeth Ward, who oversees surveillance and health policy at the American Cancer Society.
But some other experts said such a large drop could require far-reaching changes in how many people eat a healthier diet, have health insurance and can get good medical care.
“I think it’s a little bit more optimistic than realistic,” said Dr. Edward J. Benz Jr., president of the Dana-Farber Cancer Institute in Boston.
The new report looks at cancer trends from 1975 through 2006.
The colorectal cancer death rate was about 17 deaths per 100,000 people in 2006. Better chemotherapy drugs have been used along with surgery to improve survival. And as of 2005, about half of U.S. adults age 50 or older had had a recommended screening, such as a colonoscopy within the last 10 years or a stool blood test within the last year.
The new report was put together by the Cancer Society, the National Cancer Institute, the Centers for Disease Control and Prevention and the North American Association of Central Cancer Registries.
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