XRCC3 and Hypertension: Carriers of XRCC3 GC haplotype were slightly more likely to develop skin adverse events, but the association was not significant (OR = 1.93, 95% CI = 0.94–3.98, p = 0.074), not even after adjustment for clinical parameters (arterial hypertension, treatment with taxanes) (OR = 2.06, 95% CI = 0.87–4.85, p = 0.100).