| Namespace | disease_ontology | Obsolete | false |
| description | A breast cancer that is characterized by a prominent infiltrative border, unequivocal sarcomatous areas, and stromal overgrowth and arises_from the stroma, lined by an epithelial and myoepithelial bilayer, forming a leaflike structure. They tend to grow rapidly and present in middle-aged women (40s-50s). |