One little kink in any of the digestive organs can throw the entire system off track. It's no different for the pancreas.
With some minor malfunctions in the digestive process involving the pancreas, you can experience problems digesting fat, which can lead to the ultrapopular side effect of fatty stools. (You know your stools have a lot of fat in them when they float; remember that fat always floats.) You may also experience some pain when ducts get blocked by stones or thick mucus.
There are, however, some more severe concerns