If these tumors are mostly solid, then they are often "immature" teratomas with less differentiated tissue and are more aggressive.
如果肿瘤以实体为主，则常是未成熟畸胎瘤，分化程度较低，并有更大的侵袭性。
If these tumors are mostly solid, then they are often "immature" teratomas with less differentiated tissue and are more aggressive.
如果肿瘤以实体为主，则常是未成熟畸胎瘤，分化程度较低，并有更大的侵袭性。
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