Definition: Lipoblastoma, also known as breast cancer of the adipose tissue, is a type of cancer that affects the cells in the fat and muscle tissues found in the breast. It is characterized by the presence of abnormal cells that grow out of control and spread throughout the body. The term "lipoblastoma" comes from the Greek word for "lipid," which refers to fats and oils, as well as other substances like cholesterol and triglycerides. Lipoblastomas are