Table 1. Mean tumor volume in RT2/HRG^+/+ and RT2/HRG^−/− mice at 12 and 15 weeks.

	Mean total tumor volume ± SD (mm3)
	12 weeks	15 weeks
RT2/HRG+/+	22,35±14,2	72,74±31,38
RT2/HRG−/−	45,69±31,11	231,4±182,5
Ratio (RT2/HRG−/−) vs. (RT2/HRG+/+)	2,04	3,18