Fig. 6From: Rapid evaporative ionisation mass spectrometry of electrosurgical vapours for the identification of breast pathology: towards an intelligent knife for breast cancer surgeryEx-vivo validation of recognition software with new samples. a Flow diagram of samples used in the ex-vivo validation experiment. N normal tissue, T tumour tissue. b Confusion matrix demonstrating diagnostic accuracy of the combined electrosurgical model with a validation set of new fresh and frozen tissues. On analysis of diagnostic accuracy, sensitivity was 90.9% and specificity 98.8%Back to article page