Currently, treatments for cancer can be separated into three categories: blasting it with radiation, surgically removing a tumour or using drugs to kill the cancerous cells.

目前，癌症的治疗方法可以分成三种：用辐射的方式来击毁癌细胞、通过手术移除肿瘤或者用药物来杀死癌细胞。

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Previously scientists could not be sure if the cancer causing faults occurred directly to stem cells, or whether 'daughter' cells were the route cause of the tumour.

以前科学家们不能确认癌症是否直接起源于干细胞，或子代细胞是否是肿瘤发生的根源。

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Cancer (malignancy), unproven tumour, polypus, hard lump, cyst or excrescence of the large intestine.

癌症(恶性肿瘤)、未经证实为良性或恶性之肿瘤、大肠息肉、硬块、囊肿、赘生物。

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Over time, this can cause inflammation, which, decades later, can lead to lung cancer, or a tumour called mesothelioma.

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Radiotherapy: May be given before surgery to shrink a tumour or after surgery to prevent the cancer coming back.

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In people, gadolinium-texaphyrin has been tested against secondary brain cancers those caused by renegade cancer cells breaking off from a primary tumour in the breast or lung and setting up shop in the head.

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