11.   The problem, however, is that most prostate cancers grow very slowly, and men tend to die with them, not of them.

12.   The seriousness of skin cancer is determined by how deep the cancer has grown and whether it has spread to other organs.

13.   The symptoms can be few while the cancer grows.

14.   --The tumors in the mice developed fresh blood vessels, and the cancers grew rapidly.

15.   There also is extremely preliminary evidence that prostate cancer in mice grows when the animals eat a high-fat diet.

16.   This may explain why prostate cancer grows so slowly.

17.   When cancers grow enough to hit the surface, you can feel them.

18.   Yet the cancer there was growing.

19.   But the outlook is much worse once the cancer has grown deeper than about two-tenths of an inch or spread into the lymph system or other tissues.

20.   Instead of injecting into the bloodstream, as is usually done, they put it directly into the belly, where the cancer is growing.