ELF3 and head and neck squamous cell carcinoma: ELF3 expression was higher in HPV+ vs. HPV− HNSCC (Fig. 7b, p < 0.0001), with ELF3 mRNA levels elevated in 24% of HPV+ HNSCCs (z-score ≥2.0) and above average in 75% (Fig. 7c).