Ipsi: ipsilateral neck; Contra: contralateral neck; cN0: clinically negative neck; cN+: clinically positive neck; OPSCC: oropharyngeal squamous cell carcinoma; BOT: base of tongue.
*The importance of level IIB and V in OPSCC is discussed in the text under the subheading “Sequelae.”
**MSK: data from the Head and Neck Department at Memorial Sloan-Kettering Cancer Center as presented by Grégoire and Lee [19].