"We need to be cognisant of the new, less common risk factors that are associated with various cancers" ERS Monograph early career representative Holly Keir talks to co-Guest Editor Kwun M. Fong about the Monograph on Lung Diseases and Cancer. In a conversation covering the bidirectional relationship between cancer and lung disease, the impact of climate change, cancer's relationship with vaping and the pulmonary effects of new cancer treatments, Kwun explains why this Monograph is relevant to all in respiratory medicine, from bench to bedside.