Smart surgical knife detects cancerous cells

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The Breast Tissue Screening Bra has provided a way for patients to detect if they have cancer. Now Imperial College London has created the iKnife, a surgical tool that can help doctors determine which cells are cancerous when cutting out a tumour. A common way to rid the body of cancer is to target the tumour and have it surgically removed, but if surgeons don't cut deep enough they can miss some of the cells, allowing them to continue growing. According to the researchers, one in five breast cancer patients need to undergo a second operation because of this. The…

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