Figure 2From: High-risk human papilloma virus (HPV) and survival in patients with esophageal carcinoma: a pilot studySurvival analysis including sixteen HPV 16 positive cases with respect to their HPV 16 viral load, divided into HPV 16 load <1.0 genomes/human genome equivalents or HPV 16 load >1.0 genomes/human genome equivalents.Back to article page