Hematemesis

A prosthetic group that consists of an iron atom contained in the center of a large heterocyclic organic ring called a…

Malignant neoplasms of the skin composed of atypical endothelial cells with poor formation of blood vessels.

Tumor composed of endothelial or spindle cells in vascular patterns with invasion into adjacent tissues. Positive factor VIII

A type of cancer that begins in the cells that line blood vessels.

A hemangiopericytoma arising from spinal cord, brain, or meninges.

A type of cancer involving blood vessels and soft tissue.