Al-Dhaheri et al. [31] reported that p53 overexpression in the progression towards malignancy of preneoplastic and neoplastic rat mammary glands associated with TP53 polymorphism; while Rybárová et al. [32] reported that no statistically significant difference was found between TP53 codon 72 polymorphism and p53 protein expression in human breast cancer. The gene discussed is TP53; the disease is breast cancer.