IQGAP1 expression correlates with PC recurrence at hazard ratio (HR) 0.9996, 95% confidence interval (CI) 0.9996-1, and p = 0.0154 in the TCGA cohort and HR 0.2242, 95% CI 0.1006–0.4999, and p = 0.000258 in the MSKCC cohort. Here, IQGAP1 is linked to pachyonychia congenita.