2016_Head & Neck COURSE BOOK

Perineural or lympho-vascular invasion

44 pts. 24 pts.

68 pts. 392 pts.

460 pts T1 3N0 +/ . - - perineural invasion

148 pts. with neg. surg. margins +/- lymphovascular invasion

(T4MI = muscular invasion)

Liao IJROBP 2008 and Huang Oral Oncol 2010