Figure 4.
Kaplan–Meier curves for overall survival (OS) and disease free survival (DFS) of pancreatic cancer patients.
Note: Patients were divided into two groups according to s-ULBP1 expression and s-ULBP2 cutoff 80.6 pg/mL, calculated by receiver-operating characteristic analysis.
Abbreviation: s-ULBP, soluble ULBP.