atypical lipoma
noun [ C ] medical specialized uk/eɪˌtɪp.ɪ.kəl lɪˈpəʊ.mə/ us/eɪˌtɪp.ɪ.kəl lɪˈpoʊ.mə/
非典型脂肪瘤
a soft mass of fat cells that grows under the skin and is found in the fat cell tissues on the back of the neck, shoulders, and back