Patients with tumors with vascular invasion seem at higher risk for nodal metastases.

The presence of cancer cell in small blood vessels is called vascular invasion.

The presence of vascular invasion increases the probability of systemic spread.

Lymphovascular invasion may be used interchangeably with vascular invasion, which strictly speaking is not synonymous.

These hemorrhages are related to tumor necrosis, vascular invasion and neovascularity.

These include: volume and grade of tumor, histologic type, lymphatic spread, and vascular invasion.

For pathologic classification, vascular invasion includes gross as well as microscopic involvement of vessels.

The presence of vascular invasion is an additional poor prognostic factor.

Trophoblastic cells infiltrate the myometrium, and there is vascular invasion.

Or is it possibly staining blood vessels that, that are under attack by vascular invasion?