Repeated hepatic resections and radio-frequency ablations may improve the survival of adult undifferentiated embryonal sarcoma of the liver: report of two cases
1 Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto-shi 860-8556, Kumamoto, Japan
2 Department of Multidisciplinary Treatment for Gastroenterological Cancer, Kumamoto University Hospital, Kumamoto, Japan
3 Department of Surgical Pathology, Kumamoto University Hospital, Kumamoto, Japan