Smooth muscle tumors are here considered an essentially dichotomous group composed of benign leiomyomas and malignant leiomyosarcomas. Soft tissue smooth muscle tumors with both atypia and mitotic ...

Soft tissue sarcoma (STS) is a rare type of cancer that can quietly grow in the connective tissues of the body—such as fat, muscles, nerves, blood vessels, or beneath the skin. Although it represents ...

A shoulder lump refers to a bump, growth, or mass in your shoulder area. You might feel it rub against clothing or the straps of a bag. Not all lumps are equal. Some might hurt, while others are ...