Colon and rectum cancers mostly arise from polyps in these areas. Approximately one million people in the world are diagnosed with colon and rectum cancer every year. The disease is very important because it is one of the types of cancer that causes the most loss of life.

Another name for large intestine or colon and rectum cancer (CRC); is colorectal cancer. The lifetime probability of developing CRC is slightly higher in men than in women. This rate; It is 4.5 percent for men and 3.2 percent for women. CRC mostly develops from adenomas (polyps).

These benign tumors originating from the colon or rectal mucosa are often unnoticed because they remain silent for many years. The frequency of adenomas increases with age. However, although the process of cancer development from adenoma has been largely clarified, the external causes affecting this process are still debated.