Figure 6. Serum levels and ROC analysis of LAMC2 and CA19-9 expression in PDAC and non-tumor patients. (A–F) Comparison of LAMC2 and CA19-9 serum levels in PDAC and non-tumor patients from the USA, German and Japan cohorts, respectively. (G–I) Comparison of LAMC2 and CA19-9 serum levels in PDAC and non-tumor patients combined from all cohorts. (J–L) ROC curve of LAMC2, CA19-9 and combined serum levels in distinguishing between PDAC and non-tumor tissues from USA, German and Japan cohorts, respectively. CP, Chronic pancreatitis; PD, Pancreatic duct.