Soft tissue sarcoma is a type of cancerous tumor that forms in the body’s soft tissues, such as muscle, fat, fibrous tissue, and blood vessels. If it occurs in the shoulder, it might feel like a ...

Usually, the blood vessel in the upper arm becomes compressed by a rib or muscle, leading to blood clots. The clots usually form in the shoulder or upper armpit. Similar to leg DVT, the condition ...

Muscles run through it from your neck to your shoulder, along with the nerves and blood vessels that go down your arm. When something presses on them, you can have pain and other symptoms.