These cells secrete the digestive enzymes into tubes which meet to form the main duct. Insulin regulates the use of glucose into all the body tissues except the brain. If the pancreas fails to produce insulin or secretes it in low quantities, the result is a serious disease called diabetes mellitus. Inside, the organ's appearance resembles a stalk with clusters of grapes attached to it. This condition is known as acute pancreatitis.
Pancreatic cancer has the worst prognosis of all the types of cancer.
This is probably because of the spongy, vascular nature of this organ and its vital endocrine and exocrine functions. Pancreatic surgery is a problem because of the soft, spongy, tissue it consists of that make it extremely difficult to suture.