(G, H) Statistical analysis of NICD (G) and HES1 (H) expression in lung sections of KLN mice following vehicle or LY-411575 treatment. The numbers of tumors analyzed over vehicle and LY-411575 groups were 22, 19 for NICD, 22, 22 for HES1. Results were shown as mean ± SD. Significance was calculated by two-tailed unpaired Student's t-test with Welch's correction. ****p<0.0001. 