Occasionally, cell division will become uncontrollable due to a genetic mutation of a cell. This abnormal growth forms a tumour
If the tumour stays in one place it is benign, and only a problem if it compresses another tissue. Treatments include surgery or chemotherapy/radiotherapy
Malignant tumour are those which spread to healthy tissue, and are cancerous
The lymph system is a network of vessels that carries lymph (white blood cells in a clear liquid) between tissues and blood system.
Lymph passes through glands are can transport cancer to these regions. If the immune system doesn't destroy the cancer cells, then a secondary tumour may grow. This is why lymph glands close to tumours are often removed
There are many causes of cancer including carcinogens, environmental factors, X-rays, diet and age
If a person has a bump, changes in moles or other worries, a GP may run blood tests, X-rays and maybe a biopsy to diagnose cancer
Cancer treatments include surgery, chemotherapy (using drugs), radiotherapy (using high energy rays) or bone marrow/stem cell therapy to replace bone marrow cells that are killed with cancer cells
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