Letter to the Editor Comment on: The safety of conservative management of asymptomatic congenital pulmonary airway malformations (CPAMs) in children: A systematic review

We read with great interest the systematic review by Thorburn et al., which provides timely evidence supporting the safety of expectant management in asymptomatic CPAM patients [1]. We commend the authors for their rigorous methodology and valuable contribution to this ongoing debate. While the findings are reassuring, we wish to highlight a critical issue that warrants further discussion: the substantial heterogeneity in follow-up duration and protocols across included studies, and its implications for interpreting long-term safety.