Add Yahoo as a preferred source to see more of our stories on Google. Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine ...
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 ...