“…The theme running through this collection of four articles is one of lessening the burden of treatment. Ablative techniques may begin to replace lung resection, 2,3 and when surgery is the chosen treatment, collateral damage can be reduced by using videothoracoscopy and by minimising the volume of functioning lung parenchyma that is resected. 4 David Waller reminds us that Russell Brock defined the anatomy of the bronchopulmonary segments but its relevance then was in septic lung disease, lung abscess and bronchiectasis, not lung cancer.…”