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.
Because treatment for pancreatic cancer depends on the specific type of pancreatic cancer, it is generally recommended to have a conclusive diagnosis before starting chemotherapy and/or radiation. However, in some cases, if the tumor is surgically resectable and other tests and symptoms indicate pancreatic cancer, the surgeon may elect to proceed with surgery even if the biopsy is inconclusive.