Small - cell undifferentiated carcinoma: a rare esophageal cancer.是什么意思？

Small - cell undifferentiated carcinoma: a rare esophageal cancer.

小细胞未分化癌: 为食管较罕见的恶性肿瘤.

small

adj. 小的，难为情的，低级的，卑劣的，细微的，微弱的；adv. 小小地，卑鄙地；n. 细小部分，腰部，琐碎东西，身份低的人，矮小的人；

例句
Car manufacturers are already producing small numbers of electric vehicles to test customer acceptance...
汽车制造商们已经开始生产少量的电动车辆以测试顾客的接受程度。

cell

n. <生>细胞，小牢房，电池，<诗>墓穴；vi. 住在牢房或小室中；vt. 囚禁；

例句
DNA is the genetic material inside every cell that carries the blueprints for everything from hair color to the risk of cancer.
脱氧核糖核酸是存在于每个细胞内的基因物质，它承载从头发颜色到致癌风险等各种遗传型板。

undifferentiated

adj. 无差别的，一致的，未分化的；

例句
Eskimos are at increased risk for undifferentiated lymphoepithelial carcinoma.
爱斯基摩人未分化的淋巴上皮癌风险高.

carcinoma

n.

例句
Alpha - fetoproteinAFP - producing acinar cell carcinoma of the pancreas is a rare neoplasm.
胰脏的制造阿尔发胎儿蛋白腺胞细胞癌是一种很罕见的肿瘤.

rare

adj. 罕见的，特殊的，半熟的；半生的，稀薄的，经过稀化的，三分熟；

例句
It was one of his rare attempts at humour.
那是他极不常见的想要表现幽默的一次。

cancer

n. 癌症，恶性肿瘤，弊病，社会恶习，迅速蔓延的恶劣的或危险的事物，[天]巨蟹座，巨蟹宫；

例句
An increasing body of evidence suggests that all of us have cancer cells in our bodies at times during our lives.
越来越多的证据表明，我们所有人一生中体内时有癌细胞存在。