ocr: Tumour Alump or swelling caused by the abnormal growth - of cells. A tumour can be benign or malignant. A benign tumour is not cancerous, does not spread to other parts of the body, - and when removed, it does not usually come back. Amalignant tumour is cancerous. The cells of a malignant tumour do not organize themselves into a normal pattern, they can damage nearby tissues and organs, and they can spread to other parts of the body. DONE
