neoplasm malignant AE brain neoplasm malignant AE http://en.volupedia.org/wiki/Neoplasm QY, JX, HY 恶性大脑肿瘤 This is an AE which is commonly called brain cancer and they invade and destroy the surrounding tissue, may form metastases and, if untreated or unresponsive to treatment, will generally prove fatal. 10006131