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MediumGastroenterologyPrimary biliary cholangitis - diagnosisca-mccqe1ca-rcpsc-im

A 48-year-old woman presents with progressive fatigue, pruritus, and jaundice. Laboratory tests show elevated alkaline phosphatase and GGT, mildly elevated ALT/AST, and positive antimitochondrial antibodies. Ultrasound shows no biliary obstruction. What is the most likely diagnosis?

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