Colorectal Cancer- All you need to know about prevention, screening, and treatment. What is Colorectal Cancer? Understanding the anatomy…!!! Colon is part of our digestive system, which absorbs nutrients such as vitamins, minerals, carbohydrates, fats, proteins, and water from food and discards waste material out of our body. Our entire digestive system starts from the mouth, followed by the esophagus, stomach, small intestine, colon, and finally rectum and anal canal. The colon is about 5 feet long, and the rectum and anal canal together contribute last 6-8 inches. The anal canal ends as the anus , which opens our digestive system to the outside of the body. Do Indians need to worry about colorectal cancer? Colon and rectal cancers are rising at an alarming rate in India. The average age at diagnosis in Indians is about a decade earlier compared to Western countries. In the last decade (2004-2014), colorectal cancers in India increased by 20%. This increase can be du