1.   As the tumor grows, more and more new branches must be constructed to keep its voracious appetite satisfied.

2.   As the tumor grows, so does this yellow glow that a camera can detect through the skin of the lab animal.

3.   As the tumor grows, the branches grow with it and new ones are also grown.

4.   As the tumor had grown, it compressed the duct that drains bile from the liver.

5.   At the two highest levels of fat, tumors grew unchecked.

6.   At this point, Folkman said, the tumor grows to about the size of a marble.

7.   Before the tumor could grow larger, it was burned away with a green laser beam.

8.   A benign tumor may grow very slowly for years before it causes enough pressure on the brain to produce a recognizable symptom.

9.   A malignant tumor grew on his heart.

10.   A key issue in treating prostate cancer is trying to determine which tumors will grow and do harm, and those that will lie dormant.