Earlier this year, doctors at the Mayo Clinic in Minnesota used MRI-guided laser ablation to remove tumors of the prostate.

VOA: special.2010.11.23

And these bad things could happen through lesions, through tumors, through strokes, through injury.

这些严重的损伤,有可能是由于病变,肿瘤,撞击,或是受伤,而引起的

耶鲁公开课 - 心理学导论课程节选

Many people believe that tumors, most tumors require blood vessels in order to grow.

许多人认为,大部分肿瘤需要血管输送血液才能生长

耶鲁公开课 - 生物医学工程探索课程节选

Doctor Kakarala says the cancer-fighting treatments known as chemotherapy do not control tumors containing cancer stem cells.

VOA: special.2010.06.01

Stopping growth in tumors can be a very beneficial thing.

阻断肿瘤的生长是一件十分有益的事

耶鲁公开课 - 生物医学工程探索课程节选

Doctor Chan says the effects appeared especially strong among patients with tumors expressing an enzyme called COX-2.

VOA: special.2009.09.01

The doctor also says researchers could be able to limit the number of cells that can form tumors if they limit the number of normal stem cells.

VOA: special.2010.06.01

Cancer stem cells are found inside tumors.

VOA: special.2010.06.01

The study involved genetically-identical mice with cancerous tumors.

VOA: standard.2010.07.14

A leading Nigerian blood specialist is the WHO . cancer. is alarmed at the growing numbers of cases of cancer - the name given to a class of diseases characterized by the uncontrolled growth of cells, which then form tumors.

VOA: standard.2010.06.16

lead author Matthew During of Ohio State University, described what happened after just three weeks, "And what was surprising to us was that the animals in the enriched environment, the cancers are 40 percent smaller" "When we moved that enrichment to six weeks,now, the cancers were approximately a dramatic effect,and not only that, but 17 percent of those animals had no tumors whatsoever."

VOA: standard.2010.07.14