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.
The Smithsonian's National Zoo is located in the heart of northwest Washington, D.C. and spans 163 acres. There are several entrances to the Zoo and all are pedestrian and vehicle-friendly.