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. 2016 Aug 22;16(1):668. doi: 10.1186/s12885-016-2677-3

Fig. 1.

Fig. 1

Case selection and flow diagram for molecular testing of ampullary adenocarcinoma. Seventy-nine cases of ampullary adenocarcinoma were identified for this study. Tumor specimens were assigned a reference histological subtype (intestinal or pancreaticobiliary) by a gastrointestinal pathologist. The comparator cohort comprised 54 cases to measure the prognostic performance of the 3 classifiers: 92-gene classifier, histological subtype, and histomolecular phenotype