Pathology of soft tissue sarcomas. Selected current issues.

Soft tissue sarcomas are a heterogeneous group of malignant tumors with a wide range of clinical presentation, morphologic features and biologic behavior. During the past two decades, many acceptable new entities have been proposed, and the diagnosis and classification of these tumors have been modified. This paper reviews several current issues that are considered worthy of note for the histologic diagnosis of soft tissue sarcomas.