Yes, 99% of all cysts are benign. If the cyst is complex ( a mixture of fluid and solid) or solid (more than 50% contains solid parts) the chances of it being benign are still 85%. The odds are overwhelmingly in your favor.
Eleven of the 19 Smithsonian Institution museums and galleries are at the National Mall in Washington D.C., the open-area national park in Washington, D.C running between the Lincoln Memorial and the United States Capitol, with the Washington Monument providing a division slightly west of the center.
Museums Located on the National Mall. 1  Smithsonian Institution Building - 1000 Jefferson Drive SW, Washington, DC. The historic building, also known as the Castle, is a good place to start your tour of the museums. The Smithsonian Information Center is located here and you can find a map and schedule of events.