the tumour is malignant or benign. Malignant, and some benign, tumours usually require treatment, which is most effective at an early stage of tumour development. Treatment may be by chemotherapy, surgery, ionising radiation, hyperthermia, and other means.

Signs and symptoms

When malignant cells form, symptoms do not typically appear until there has been a significant growth of the mass. Once signs and symptoms do arise, they are dependent on the location, size and type of malignancy. Usually, it is quite general and can be associated

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