Looks like you clickedhttps://www.advancesradonc.org/article/S2452-1094(18)30188-X/fulltext#:~:text=Perineural%20invasion%20(PNI)%20is%20a,recent%20studies%20yielding%20contradictory%20results
If you do not want to visit that page, you can close this browser tab.