OR51E2 and posterior cortical atrophy: Based on these seven genes, a model for predicting postoperative recurrence of PCa was constructed using the formula, “OR51E2* -0.07+ PTGDS* -0.12+ HMGCS2* -0.10+ TGM3* -0.16+ FMO5* -0.31+ COL5A2* 0.20+ CDC20* 0.23”.