We would like to comment on the article by Calvert et al.¹ This group presents data from a retrospective audit of 28 children who were antenatally diagnosed with congenital lung malformations. The authors recommend elective resection of all congenital lung malformations that persist beyond 1 year of age, although their data provide no evidence to support this argument. Over the years, several authors have suggested that congenital lung malformations detected antenatally pose a major …