Fig. 4
From: HPV-16 infection modifies overall survival of Puerto Rican HNSCC patients
Overall survival of HNSCC patients exposed to radiation according to HPV-16 status and HNSCC sub-sites. Kaplan-Meier survival curve analysis of HNSCC patients exposed to radiotherapy (RTX) adjuvant to surgery. Patients were distributed by HPV-16 status and anatomical sub-site. a All RTX patients, which includes all HNSCC sub-sites and stages; b Larynx RTX patients; c Pharynx RTX patients; d Oral Cavity RTX patients