benign teratoma of liver

例句：

1. 1. The patient was diagnosed with a benign teratoma of the liver.
   患者被诊断出患有肝脏的良性畸胎瘤。
2. 2. Benign teratomas are usually found in children and can cause symptoms such as abdominal pain and nausea.
   良性畸胎瘤通常在儿童中发现，并可能导致腹痛和恶心等症状。
3. 3. Benign teratomas are rare but can be life-threatening if they grow large and press on vital organs.
   良性畸胎瘤罕见，但如果它们长大并压迫重要器官，可能会危及生命。