No: IgG4 levels are useful in diagnosis and monitoring of autoimmune disease like autoimmune pancreatitis but not pancreatic cancer. CA19.9 is good for the latter
Answered 8/30/2020
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?What is this test?: The only useful blood test in common usage is called CA 19.9. It goes up if the Pancreatic Cancer is progressing or relapsing.. So it is commonly done blood test, at about 3 monthly intervals.
Answered 3/28/2015
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