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Photo Gallery: 4/20 At Civic Center Park

Colorectal

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Five year old Michael Esteban and his mother Kari Esteban, crawl through a 40-foot long, 4-foot high replica of a human colon on July 11, 2003 in Seattle. The colon is used to educate people on colorectal cancer and Seattle is the ninth stop of a 20-city tour, next stop is Denver on July 23. (Photo by Ron Wurzer/Getty Images)

Adventures In Colonland

In cities across America, parents and children crawl through a playground of polyps and colon tissue in an effort to gain a better understanding of colorectal cancer.

Sharon Osbourne, wife of rocker Ozzy Osbourne, is a survivor of colon cancer. She helped start a program with the Samuel Oschin Comprehensive Cancer Institute at Cedars-Sinai Hospital in Los Angeles to help those dealing with the disease. (credit: Christopher Polk/Getty Images)

Famous People With Colon Cancer

Several well-known figures have been hit with colorectal cancer, some becoming survivors and others falling to the aggressive disease.

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