31. Medical experts testified at an inquest that their illnesses would have been treatable had their Pap smears, which contained cancerous cells, been properly read. 32. Most of the women had the cancerous cells removed surgically. 33. Now scientists are using the newer molecular information to design experimental drugs to act as guided missiles that aim to destroy only cancerous cells while sparing healthy ones. 34. One of those lymph nodes tested positive for cancerous cells, suggesting the cancer had begun to spread through the lymphatic system. 35. One concern with minimally invasive surgery is that it may leave some cancerous cells behind in the margins, but so far, studies have found the margins clean. 36. Over time, they emit enough energy to destroy the cancerous cells. 37. Researchers hope T-cells can be grown to fight cancerous cells as well as specific viruses, but Riddell cautioned that cancer presents a separate set of problems. 38. Radiation treatment is particularly deadly to cancerous cells because they are constantly dividing. 39. Scientists believe one reason tumors grow is that the immune system fails to recognize the cancerous cells. 40. Similar treatment will continue for months to combat any cancerous cells that may have spread undetected beyond the liver. |