Giant Colon In Seattle

Michael Esteban, age 5, 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. (credit: Ron Wurzer/Getty Images)

Giant Colon In Seattle

George Esteban crawls through a 40-foot long, 4-foot high replica of a human colon in Seattle on July 11, 2003. The colon is used to educate people on colorectal cancer. (credit: Ron Wurzer/Getty Images)

Giant Colon In Seattle

Dawn Mason peeps her head up while crawling through a 40-foot long, 4-foot high replica of a human colon in Seattle on July 11, 2003. The colon is used to educate people on colorectal cancer. (credit: Ron Wurzer/Getty Images)

Giant Colon In Seattle

Uddhava Shadday peeps his head up while crawling through a 40-foot long, 4-foot high replica of a human colon in Seattle on July 11, 2003. The colon is used to educate people on colorectal cancer. (credit: Ron Wurzer/Getty Images)

Giant Colon In Seattle

Students from Eton Technical College, a medical school in Tacoma, Wash., crawl through a 40-foot long, 4-foot high replica of a human colon in Seattle on July 11, 2003. The colon is used to educate people on colorectal cancer. (credit: Ron Wurzer/Getty Images)

Cancer Research and Prevention Foundation Raises Colon Cancer Awareness

A man eats his lunch outside the Super Colon, an 8-foot tall, 20-foot long, interactive replica of a human colon during Community Colon Cancer Prevention Day at the Jay Monahan Center for Gastrointestinal Health March 15, 2005, in New York. The Super Colon shows people first-hand what colorectal polyps and cancer look like compared to healthy colon tissue. (credit: Mario Tama/Getty Images)

Cancer Research And Prevention Foundation Raises Colon Cancer Awareness

A boy stands inside the Super Colon, an 8-foot tall, 20-foot long, interactive replica of a human colon during Community Colon Cancer Prevention Day at the Jay Monahan Center for Gastrointestinal Health March 15, 2005, in New York City. The Super Colon shows people first-hand what colorectal polyps and cancer look like compared to healthy colon tissue. (credit: Mario Tama/Getty Images)