Sharp objects can be removed over overtubes and not always require surgery. Lead batteries can corrode and decay in the stomach or intestine and should always be removed. Most common impacted foreign bodies are food boluses above a pathological narrowing and require endoscopic break up
Contrast examination is not always required and might complicate things
This is an interesting question because this is one tumor in which breakthrough has not been achieved in the last 70 years. Pancreatic cancer remains one of the deadliest cancers of the GI tract and whipple's surgery continues to have high morbidity.
We discuss the role and response of chemotherapy also