1. Many Patients With Primary Sclerosing Cholangitis and Increased Serum Levels of Carbohydrate Antigen 19-9 Do Not Have Cholangiocarcinoma 
Emmanouil Sinakos, Amy K. Saenger, Jill Keach, W. Ray Kim, Keith D. Lindor 
Clinical Gastroenterology and Hepatology 
Volume 9, Issue 5, Pages e1 (May 2011)
DOI: /j.cgh
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2. Figure 1 Selection of patients for study inclusion.
Clinical Gastroenterology and Hepatology 2011 9, e1DOI: ( /j.cgh )
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3. Figure 2
Median CA 19-9 values per CCA diagnosis. The T bars represent the interquartile range of the values.
Clinical Gastroenterology and Hepatology 2011 9, e1DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions

4. Figure 3
ROC curve for CA AUC for detecting the presence of CCA is 0.77.
Clinical Gastroenterology and Hepatology 2011 9, e1DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions

5. Figure 4
Factors known to affect the concentrations of CA 19-9 in patients without CCA.
Clinical Gastroenterology and Hepatology 2011 9, e1DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions