What are the prognostic factors of epithelioid sarcoma?

The recognized adverse prognostic factors include male sex, older age, large size, multifocality, proximal or axial location, depth of invasion, mitotic activity, necrosis, vascular invasion, tumor hemorrhage, nodal involvement, rhabdoid cytomorphology, and inadequate excision.

Chbani L, Guillou L, Terrier P, et al: Epithelioid sarcoma: a clinicopathologic and immunohistochemical analysis of 106 cases from the French sarcoma group, Am J Clin Pathol 131:222–227, 2009.