The targeted therapy controlled tumor growth for three years in 98 percent of the lung cancer patients.

VOA: standard.2010.03.25

So, a natural product is something that is made by nature, and often natural products, whether it comes from a plant or a marine organism have some really good, useful properties. And so, one particular compound has anti-tumor properties. So, again, along this line of cancer research.

天然产物是在自然界中生成的,通常一个天然产物，不管是来自植物或者海洋生物,都有些非常好非常实用的性质，其中的一个特殊的化合物,可以治疗癌症,再一次我们又来到癌症研究上。

麻省理工公开课 - 化学原理课程节选

Journal editor Catherine DeAngelis says another article describes the high success rate of tumor control for a new form of radiation for inoperable lung cancer.

VOA: standard.2010.03.25