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Table 1 Patients enrolled in the studied group

From: Serum cell-free DNA methylation of OPCML and HOXD9 as a biomarker that may aid in differential diagnosis between cholangiocarcinoma and other biliary diseases

Diagnosis

Number of cases

CCA group

40

  Intrahepatic type

27

  Perihilar type

13

Other biliary disease group

40

  Chronic cholecystitis

19

  Papillary adenoma

9

  Choledochal cysts

4

  Cholangitis

4

  Cholelithiasis

2

  Choledocholithiasis

1

  Hepatolithiasis

1