See here: http://www.katiecouric.com/on-the-show/2013/03/13/cancer/ -- it's going to be rebroadcast on April 5.

Leslie

April 2006: Husband dx by dentist with leukoplakia on tongue. Oral surgeon's biopsy 4/28/06: Moderate dysplasia; pathology report warned of possible "skip effect." ENT's excisional biopsy (got it all) 5/31/06: SCC in situ/small bit superficially invasive. Early detection saves lives.