Fig. 2From: HPV-16 infection modifies overall survival of Puerto Rican HNSCC patientsOverall survival of HNSCC patients according to HPV-16 status in each HNSCC anatomical sub-sites. Kaplan-Meier survival curve analysis of HPV-16 positive patients versus HPV-16 negative patients according to HNSCC anatomical sub-site. a Larynx (LSCC); b Pharynx (PSCC); c Oral Cavity (OSCC)Back to article page