"I have patients with tumors the size of golf balls all over their bodies," he began.
As a result, mice usually die by the age of two, at which point their bodies are often packed with tumors.
The company is now conducting a second trial only on patients with less aggressive tumors.
But women with tumors greater than three centimeters have only a about 50 percent chance.
Again, women with larger tumors are more likely to need hormone therapy.
He recommended that drug treatment be offered to all breast cancer patients except those with very small tumors.
They had 20 mice with large tumors on their backs.
It has also been associated with tumors of the pancreas.
Most men with testicular tumors are between 15 and 35.
In most cases, the outlook with benign tumors is very good.