label: undifferentiated embryonal sarcoma of the liver
label_lc: undifferentiated embryonal sarcoma of the liver
description: Embryonal sarcoma of the liver is a rare primary malignant hepatic neoplasm of childhood of mesenchymal origin. It can rarely occur in adults. It is characterized by abdominal mass, right upper quadrant or epigastric pain, nausea, anorexia, intermittent fever or headache.