Soft tissue sarcoma (STS) is a type of cancerous tumor that can grow in the body’s soft tissues. If it occurs in the thigh, it may feel like a person has a lump in their thigh, though symptoms may not ...

A cyst is a sac of tissue containing fluid or air that can form in many areas of the body. Cysts often do not need to be removed unless they are causing pain or other problems. There are several ...