FOXP3 and cancer: No significant difference was observed in the OS rate for pancreatic (OR 1.92, 95% CI 0.90 to 4.07, P = 0.09), and ovarian (OR 1.21, 95% CI 0.61 to 2.40, P = 0.585) cancer, but there was a trend toward lower survival in pancreatic cancer patients with higher density infiltration of FoxP3+ Tregs.