In Greece it is estimated that about 3000 people are infected annually by the CRC. Risk factors for the emergence of CRC are: old age, positive family history of cancer and colon polyps, diet poor in fiber and rich in high-calorie fats and foods, sedentary lifestyle and lack of exercise from everyday life. Additionally, obesity, smoking, alcohol consumption in large quantities, diabetes, inflammatory conditions of the intestine such as ulcerative colitis and Crohn's Crohn, and some inherited disorders affecting colon are factors that increase the risk for the CRC.