MedGen

Repeated, individually recognizable, intermittent movements or movement fragments that are almost always briefly suppressible and are usually associated with awareness of an urge to perform the movement. [from HPO]

A morphologic qualifier indicating that a cancerous lesion is poorly differentiated. [from NCI]

An invasive malignant tumor that arises from the breast. It is characterized by the presence of spindle-shaped myoepithelial cells. Mitoses are present. Rarely, local recurrences and distant metastases have been reported. [from NCI]

A benign or malignant tumor that arises from the breast and originates from or is composed of myoepithelial cells. Representative examples include adenomyoepithelioma, myoepitheliosis, and malignant myoepithelioma. [from NCI]