The doctrine of sovereign immunity applies to state governments within their own states, but it was not initially clear whether states had immunity as to suits involving other states or citizens of other states. In the 1793 case of Chisholm v.
If imaging studies detect a mass in the pancreas, a pancreatic cancer diagnosis is likely, but not definite. Only a biopsy -- taking actual tissue from the mass -- can diagnose pancreatic cancer. Percutaneous needle biopsy: Under imaging guidance, a radiologist inserts a needle into the mass, capturing some tissue.
In addition to radiologic tests, suspicion of a pancreatic cancer can arise from the elevation of a tumor marker, a blood test which can be abnormally high in people with pancreatic cancer. The tumor marker most commonly associated with pancreatic cancer is called the CA 19-9.