how many years for colon cancer to develop
Get help from a doctor now âº. A long time: Colon cancer is unusual in that it follows the polyp-to-cancer sequence. Colon cancer does NOT develop with a single genetic mistake from normal to full blown cancer like many others (breast, prostate). The process usually takes an average of 12 years.et help from a doctor now âº. A long time: Colon cancer is unusual in that it follows the polyp-to-cancer sequence. Colon cancer does NOT develop with a single genetic mistake from normal to full blown cancer like many others (breast, prostate). The process usually takes an average of 12 years.