Chemotherapy is used by doctors to either as a first-line therapy or in combination with other treatments, such as surgery, to treat cancer. If chemotherapy does not work, a person may need to consider other treatment options. Signs that the cancer is not responding to chemotherapy include the growing or spreading of the tumour, or returning/additional symptoms appearing. Depending on the type and stage of cancer, second-line or third-line treatment options may be available, like radiation therapy, immunotherapy, hormone therapy, and targeted therapy.
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