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Heinrich's classification of heterotopic pancreas
| Type | Histopathological characteristics |
|---|---|
| Type I | Typical pancreatic tissue with ducts, acini, and islet cells |
| Type II | Numerous acini, few ducts, and no islet cells |
| Type III | Numerous ducts, few to no acini, and no islet cells |
| Type IV | Endocrine islets without exocrine pancreatic tissue |
