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.
Chewbacca is fiercely loyal to Han Solo, and serves as co-pilot on Solo's Millennium Falcon. Chewbacca was portrayed by actor Peter Mayhew in the Star Wars films. The character has also appeared on television, in books, comics, and video games.hewbacca's voice was created by the original films' sound designer, Ben Burtt, from recordings of walruses, lions, camels, bears, rabbits, tigers, and badgers in Burtt's personal menagerie.