In one word unknown : Ductal carcinoma in situ dcis is simply the sleeping cancer cells inside the breast ducts , like a garden hose loaded with cancer cells safe if they are inside the duct , once they are out side then is invasive cancer , ready to spread , cause is unknown at this time , from genetic mutations , braca i & ii age , hormonal ...
Gadu-Gadu (Polish for chit-chat; commonly known as GG or gg) is a Polish instant messaging client using a proprietary protocol. Gadu-Gadu is the most popular IM service in Poland, with over 15 million registered accounts and approximately 6.5 million users online daily. Gadu-Gaduâs casual gaming portal had some 500,000 active users at the end of March 2009. Users send up to 300 million messages per day.
A new trend is to use .gg for domain names relating to e-sports, where gg is a commonly used initialism for good game. The Search Engine DuckDuckGo uses the domain ddg.gg as a shortened version of duckduckgo.com.