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The purpose of this retrospective study is to determine the degree to which a biliary stent affects EUS staging accuracy of ampullary tumors.
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| Measure | Description | Time Frame |
|---|---|---|
| The presence of a biliary stent decreases EUS staging accuracy due to the intervening shadow artifacts |
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Inclusion Criteria:
Exclusion Criteria:
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Retrospective review of patients who have already undergone an EUS at this institution.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Indiana University Hospital | Indianapolis | Indiana | 46202 | United States |
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