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.
In Star Wars: Episode I â The Phantom Menace, Obi-Wan Kenobi appears as the Jedi Padawan (or student) of Jedi Master Qui-Gon Jinn. He accompanies his master in negotiations with the Trade Federation, which is blockading the planet Naboo with a fleet of spaceships.