PTEN and posterior cortical atrophy: Moreover PTEN loss has been associated with a higher risk of death from PCa, independently from racial ancestry [44,81,122,131,132], even when comparing patients with complete PTEN loss to those with partial or no loss with the latter serving as the reference group (HR 2.156, 95% CI 1.169–3.976, p = 0.014) [133].