From: Radiation dose ≥54 Gy and CA 19–9 response are associated with improved survival for unresectable, non-metastatic pancreatic cancer treated with chemoradiation
HR (95% CI)
p value
Delivered RT dose ≥54 Gy
0.47 (0.24-0.92)
0.028
CA 19–9 nadir <90 U/mL
0.35 (0.17-0.76)
0.008