They can be the first step on the road to squamous cell carcinoma, and some experts even consider them the earliest form of SCC. From two to ten percent of untreated actinic keratoses (AKs) advance to squamous cell carcinoma, sometimes with two years, according to different studies.
Obi-Wan Ben Kenobi is a fictional character in the Star Wars universe, portrayed by Alec Guinness and Ewan McGregor in the films. In the original trilogy, he is a mentor to Luke Skywalker, whom he introduces to the ways of the Jedi. In the prequel trilogy, he is a master and friend to Anakin Skywalker.
Shelby Fredrick Sheb Wooley was a character actor and singer, best known for his 1958 novelty song The Purple People Eater. He played Ben Miller, brother of Frank Miller, in the film High Noon; played Travis Cobb in The Outlaw Josey Wales; and also had a co-starring role as scout Pete Nolan in the television series Rawhide. Wooley is also credited as the voice actor who produced the Wilhelm scream sound effect.