CDKN2A and cancer: Compared with HPV-/p16+ cancers, patients with HPV+/p16+ cancers had significant improved DFS/DSS/RFS/PFS (HR = 0.31, 95% CI: 0.14–0.65), and patients with HPV+/p16- cancers had no significant improved DFS/DSS/RFS/PFS (HR = 0.94, 95% CI: 0.41–2.15).