<prompt> Maldigestion of protein and fat is manifested in chronic pancreatitis only if the damage of pancreatic tissue exceeds?30509075  <response>: There is a very large reservoir of pancreatic exocrine function. 90 of the pancreas must be damaged before maldigestion of fat and protein is manifested. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 2629 