Figure 1From: Thymidylate synthase, dihydropyrimidine dehydrogenase, ERCC1, and thymidine phosphorylase gene expression in primary and metastatic gastrointestinal adenocarcinoma tissue in patients treated on a phase I trial of oxaliplatin and capecitabine Gene expression in paired primary and metastatic tumor tissue samples. The data are shown in box-plot format; all outliers are shown. The p values are from a Wilcoxon signed rank test.Back to article page