Researchers have used artificial intelligence to recognise patterns in breast cancer and uncovered five new types of the disease each matched to different personalised treatments. Their study applied AI and machine learning to gene sequences and molecular data from breast tumours to reveal crucial differences among cancers that had previously been lumped into one type. The new study published in the journal 'NPJ Breast Cancer' researchers found that two of the types were more likely to respond to immunotherapy than others while one was more likely to relapse on tamoxifen. The researchers are now developing tests for these types of