n.瘤；贅生物

Cystic nephroma is a rare renal neoplasm which is usually benign histologically. 摘要囊腫性腎細胞瘤是一種少見的腎臟腫瘤，且在組織學(xué)上通常呈現(xiàn)良性。

The neoplasm with the greatest propensity to metastasize to heart is melanoma. 最易轉(zhuǎn)移到心臟的腫瘤是黑色素瘤。

Pheochromocytoma is a neoplasm of neural crest origin arising in the adrenal medulla. 嗜鉻細胞瘤是發(fā)起于腎上腺髓質(zhì)神經(jīng)嵴起源點的一種贅生物。