ReviewPublished 10 July 2026Salivary cell-free DNA in head and neck cancer: emerging clinical applications and future perspectivesVaishnavi N. Patel · Aditi B. Patel · Shreya A. Lotia · Vivek M. Tanavde · Shanaya S. PatelOncology Reviewsdoi 10.3389/or.2026.1885622