common problems affecting colon:colon is the longest part of the large intestine, a tube-like organ connected to the small intestine at one end and the anus at the other.The colon is also known as the large bowel or large intestine. It is an organ that is part of the digestive system, also called the digestive tract .The digestive system is the group of organs that allow us to eat and to use the food we eat to fuel our bodies.The colon removes water and some nutrients and electrolytes from partially digested food.Common local symptoms or the signs of a colon