We found that the abundance of either HMGCR mRNA (Fig. 7A, left panel, P = 0.121, n = 508 patients) or the entire set of mevalonate pathway‐related genes (Fig. 7A, right panel, P = 0.9526, n = 508 patients) did not have any stratification power in breast cancer patients. Here, HMGCR is linked to breast cancer.