Colorectal cancer is the third most diagnosed type of cancer worldwide. Up to 80% of the cases are related to environmental factors and lifestyle, such as poor diet, sedentarism, obesity, smoking or excessive alcohol consumption. Most colorectal cancers arise from adenomatous polyps, a precancerous lesion that may progress to a malignant tumor unless it is detected and removed in time.
This article was originally published on MedicalXpress.com