Demographic, clinical, pathological, and therapeutic characteristics of the advanced OSCC patients with solitary HPV-16 infections.

OSCC, oral squamous cell carcinoma; HPV, human papillomavirus; m, male; f, female; a, alcohol drinking; b, betel nut chewing; c, cigarette smoking; p, pathological; ECS, extracapsular spread; mo: month; TR, tumor recurrence; NR, neck recurrence; DM, distant metastases; RT, radiotherapy; CCRT, concomitant chemoradiation; DOO, died of other reason; DOC, died of other cancer; DOD, died of disease; NER, no evidence of recurrence.