These small sacs filled with fluid, tissue, hair, or dead skin can form almost anywhere on your body. Find out more about why cysts form and what you can do about them.

Ovarian cysts Causes: A cyst is a fluid-filled sac that develops inside the ovary. They are very common, especially in women in their thirties and forties, and almost always harmless.

Soft tissue sarcomas are malignant tumors that form in the soft tissues of the body. What are the types, how are they diagnosed, and can they be treated?

A bump on the roof of the mouth may be a blister, cyst, or bony growth caused by a variety of oral conditions or infections.