Fig. 1From: Evaluating a preoperative protocol that includes magnetic resonance imaging for lymph node metastasis in the Cholangiocarcinoma Screening and Care Program (CASCAP) in ThailandFlow of subjects in the Cholangiocarcinoma Screening and Care Program (CASCAP). Abbreviations: CCA cholangiocarcinoma, U/S ultrasonography, CT computerized tomography, MRI magnetic resonance imagingBack to article page