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Battling Cancer: A New Weapon? |
| Section: NATURAL SCIENCE / AT THE EDGE |
| Author: Malorye Allison |
| Publication: The world & I online |
| Issue Date: 1/1/1996 |
| Size: 2,651 Words, 16,821 Characters |
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Cancer is one of medicine's most challenging fronts. Despite aggressive measures, new drugs, and advanced technologies such as lasers, cancer remains one of the major causes of death in the developed world. In only a few forms of this disease, such as certain types of testicular cancer, are a high percentage of cases considered curable. And while some cancers can be stopped if caught early, relatively few are discovered before they have become well established.
Cancers are essentially normal cells that have been "transformed" so that they expand their numbers beyond control, starting in one area of the body and then invading other parts in a process known as metastasis. Sufferers of some of the most common malignancies, such as those of the lung, breast, and colon, often face major surg...
. . .
...th and spread."
Surgery, radiation, and chemotherapy may still be necessary to remove established tumors. But immunotherapeutic vaccines offer the hope of not only eradicating residual traces of cancer cells but also readying the immune system for possible future appearances of the tumors. Whatever the final studies show, this exciting new discovery is helping revitalize the war on cancer.
(806 of 16,821 characters)
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