Average tumor volume in hrg null vs wildtype individuals were 10.4 mm3 vs 20.0 mm3 at day 7, 33.9 mm3 vs 49.1 mm3 at day 10, 93.9 mm3 vs 126.7 mm3 at day 13 and 189.6 mm3 vs 316.1 mm3 at day 17 respectively. The gene discussed is HRG; the disease is neoplasm.