eli5:Does everyone diagnosed cancer need chemotherapy?
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No. Many types of cancers can be treated without chemotherapy and instead through surgery, radiation therapy, hormone therapy and biological therapy or a combination of those.
To be prescribed chemotherapy will depend on the type of tumour and how sensitive it is to chemotherapy. Other factors can include how advanced the disease is and how the patient will tolerate chemotherapy. It can be used in combination with other treatments, for example chemotherapy can be given to make cancer cells more sensitive to radiation so it is given with radiation therapy to increase effectivity.
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