In a human body, normally, the cells grow in an orderly way; however, some cells keep on growing in an uncontrolled fashion. The unchecked growth may result in the development of lumps called a tumour. If the tumour is malignant, it is termed as cancer. Since the discovery of the actual cause behind cancer, many treatments and surgeries were used to cut the tumour tissues in different body parts; however, the success rate remained low.
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