Average climate in York, Nebraska. Based on data reported by over 4,000 weather stations. Tornado activity: York-area historical tornado activity is slightly above Nebraska state average. It is 123% greater than the overall U.S. average.
Normally a colon cancer can take from 7 to 10 years to develop from a polyp. That is why the recommendation for colonoscopy is every 10 years, unless there is a prior family history. However, with Lynch Syndrome (HNPCC) due to a genetic mutation a colon cancer can develop in as little as 1 to 2 years.
Adenomatous polyps. These types of polyps are more likely than others to become cancerous. During a screening with sigmoidoscopy or colonoscopy, polyps can be seen and removed. The type of polyp can be determined in a lab. Here is how adenomatous colon polyps are treated: 1  A single polyp found during a flexible sigmoidoscopy exam will usually lead to follow-up colonoscopy to look for other polyps. 2  Then, once the colon is clean of polyps, experts recommend repeat colonoscopy every 1 to 3 years.