{Reference Type}: Journal Article {Title}: An innovative strategy for personalised medicine in a CFSPID case that evolved with time. {Author}: Twynam-Perkins J;Fall A;Lefferts JW;Urquhart DS; {Journal}: Paediatr Respir Rev {Volume}: 47 {Issue}: 0 {Year}: 2023 Sep 17 {Factor}: 5.526 {DOI}: 10.1016/j.prrv.2023.06.001 {Abstract}: We present a challenging case that illustrates how the clinical manifestations in children with CFTR mutations of uncertain significance may change over time. This case highlights the evolution of confirming a diagnosis of CF and emphasises the importance of regular review and monitoring of this patient cohort.