Q: I recently discovered a lump in the lower part of my abdomen, and a friend suggested it might be a hernia. How can I determine if it's a hernia, and what steps should I take? A: Lumps in the ...

Mesenteric lymphoma is a cancer that develops in a layer of tissue inside your abdomen. It often causes a noticeable lump and stomach pain. Other symptoms include cramping, loss of appetite, and ...

Soft tissue sarcoma (STS) is a type of cancer that develops in soft tissues, such as deep skin tissues, muscle, fat, and blood vessels. STS can occur in any part of the body, including the abdomen.