SHH and neoplasm: Significant correlation was observed between SHH (R.E = 12.76 ± 5.12, p < 0.0001), DHH (R.E = 9.8 ± 5.1, p < 0.05) and GLI1 (R.E = 12.3 ± 3.9, p < 0.0001) and invasive tumour size (Fig. 2).