brain neoplasms/RA的用法和样例：
例句
- Pulmonary sclerosing hemangiomas are extremely rare, benign neoplasms with a characteristic variegated histological pattern.
摘要肺脏硬化性血管瘤为十分罕见的良性肿瘤，具有特殊且多样的组织型态。 - The postmortem revealed that a large aneurysm in an artery at the base of his brain had ruptured, compressing part of his hypothalamus and other adjacent structures.
尸体解剖显示，安德森大脑基部一根动脉上有一个很大的血管瘤，但已破裂，从而使下视丘及邻近的脑组织受到压迫。
