외워보자. 좀!! 자꾸 까먹게 되는구나. ㅠㅠ 1. Angiosarcoma 2. Embryonal rhabdomyosarcoma 3. Epithelioid sarcoma Reference: Fong Y, Coit DG, Woodruff JM, Brennan MF. Lymph node metastasis from soft tissue sarcoma in adults. Analysis of data from a prospective database of 1772 sarcoma patients. Ann Surg 1993; 217: 72-7.