adenosarcomas

Definition of adenosarcoma
National Cancer Institute

adenosarcoma

(A-deh-noh-sar-KOH-muh)
A tumor that is a mixture of an adenoma (a tumor that starts in the gland-like cells of epithelial tissue) and a sarcoma (a tumor that starts in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue). An example of an adenosarcoma is Wilms tumor.

Source: NCI Dictionary of Cancer Terms