Abstract
The World Health Organisation classification of lung cancer is the framework upon which most pathologists worldwide make a standardised and consistent diagnosis of this highly varied and frequently aggressive group of malignant tumours. In the latest edition of the classification, published in 2015, several new changes were introduced. Several of these changes were driven by our greater understanding of the molecular biology of lung cancer and how this is shaping not only our conceptual thinking about these tumours but also how we treat patients suffering from them. Improved radiological imaging and a better understanding of how adenocarcinoma of the lung develops have changed the way we classify particularly early forms of this tumour type. Neuroendocrine tumours, formerly dispersed in various places within the old classifications, are now gathered in one place. Most important of all, from a practical point of view, the classification now includes a diagnostic strategy and an associated nomenclature, for dealing with those small tissue and cytology samples with minimal representation of tumour.
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Laing, G.M., Kerr, K.M. (2018). The 2015 World Health Organisation Classification of Lung Cancer. In: Cagle, P., et al. Precision Molecular Pathology of Lung Cancer. Molecular Pathology Library. Springer, Cham. https://doi.org/10.1007/978-3-319-62941-4_5
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DOI: https://doi.org/10.1007/978-3-319-62941-4_5
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