41.   Some scientists think that regular bleeding reduces the risk of uterine cancer because potentially cancerous cells are shed along with the uterine lining.

42.   Some studies have found that normal cells divide in the morning, while cancerous cells divide throughout the day.

43.   That node can then be removed and tested for cancerous cells.

44.   That meant cancerous cells had taken hold.

45.   The antibodies would be designed to hook onto only cancerous cells and then kill them with attached poison or radioactive elements.

46.   The cancerous cells can also invade the liver, spleen, lymph nodes, kidneys and brain.

47.   The drugs are designed to slow or jam growth signals in the cancerous cells.

48.   The goal is not just a drug to stop cancerous cells from growing.

49.   The growth factor boosts the immune system so it can attack cancerous cells, said researcher Dr. Robert Soiffer.

50.   The Johns Hopkins test has detected recurrence of cancer at the margins of the surgical incision before pathologists can find any cancerous cells there.