ESR1 and neoplasm: Correlation analysis of the 20 tumour areas further confirmed that the percentage of S100B + cells was positively and strongly correlated with the percentage of FSH + cells (Spearman’s rho = 0.78, adjusted p = 0.0007) and of ERα + cells (Spearman’s rho = 0.76, adjusted p = 0.001) (Table 3).