A cancerous tumor originating from blood vessels is:

A) hemangiosarcoma.
B) osteosarcoma.
C) fibrosarcoma.
D) choriocarcinoma.

Hemangiosarcoma

A rare, aggressive form of cancer that arises from the cells lining blood vessels and can occur in any part of the body.

Osteosarcoma

A type of cancer that originates in the cells that form bones, most commonly occurring in children and young adults.

Fibrosarcoma

A malignant tumor derived from fibrous connective tissue, often affecting the legs, arms, or jaw.