Staging helps describe where a cancer is located, if or where it has spread, and whether it is affecting other parts of the body.

Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure that combines upper gastrointestinal (GI) endoscopy and x-rays to treat problems of the bile and pancreatic ducts.

Health technological innovations only have value if doctors and patients have access to them. Insurance companies label new products as investigational to justify the denial of care.

It is still a very experimental procedure, but it likely will be improved rapidly in the coming years and may become the standard approach...