There's a blockage : By "radicals" i assume you mean ducts. When a duct (pipe) is dilated it means it's enlarged. Imagine a stretchy soft pipe that normally drains liquid. If something blocks it, the back end will enlarge. The most common things that cause a dilated biliary duct are stones.:).
Answered 8/21/2020
6.1k views
Can be: Bile duct blockage. See gastroenterologist or general surgeon.
Answered 10/11/2012
5.6k views
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