Illustration: the pancreas, common bile duct, and small intestine. The pancreas is a gland that is located deep in the abdomen between the stomach and the spine. The pancreas is about 6 inches long and extends from the right to the left side of the abdomen.he body of the pancreas extends across the spine and is in the midline of the abdomen. The tail of the pancreas is located on the left side of the abdomen and is adjacent to the spleen. The pancreas makes insulin as well as other hormones. These hormones enter the bloodstream and travel throughout the body.