High Bile Titer and High Bile to Serum Ratio of CYFRA 21  − 1 Reliably Discriminate Malignant Biliary Obstruction Caused by Cholangiocarcinoma

ConclusionsBoth high biliary CYFRA 21  − 1 and high bile to serum ratio of CYFRA 21 − 1 were reliable diagnostic biomarkers for MBO caused by CCA.
Source: Journal of Gastrointestinal Cancer - Category: Cancer & Oncology Source Type: research