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  3. The graphs below indicate the effect of treatment in two types of cancer in females. Using the information in the graphs, de

The graphs below indicate the effect of treatment in two types of cancer in females. Using the information in the graphs, de

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问题     The graphs below indicate the effect of treatment in two types of cancer in females.
    Using the information in the graphs, describe and compare the situation with and without treatment for the two types of cancer.
   
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答案 The two graphs show the situation with and without treatment for two types of cancer in women: cancer of the alimentary tract and lymphosarcoma. For cancer of the alimentary tract, treatment can be reasonably effective. Whereas only 30% of patients survive one year after diagnosis without treatment, treatment is applied about 75% of patients survive one year. Without treatment, fewer than 25% of patients survive for five years after diagnosis, but with treatment the survival rate after five years increases to nearly 50%. For lymphosarcoma, however, treatment can have a negative effect. The survival rate one year after diagnosis is around 30%, whether treatment is applied or not. However, survival rate with treatment is lower than that without treatment beyond one year. After five years, 25% of untreated patients are still alive, whereas none of the cases studied who have received treatment survive for five years after diagnosis.
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