Introduction
lung cancer, interstitial lung abnormalities
LUNG CANCER, LUNG
Low-dose CT (LDCT) screening for lung cancer has been shown to reduce lung cancer-specific and all-cause mortality in the National Lung Screening Trial (NLST)The term interstitial lung abnormalities (ILA) refers to a variety of incidental radiological findings on CT imaging, some of which are transient and inconsequential,Many screening participants with ILA can simply be kept under radiological surveillance, usually as part of the ongoing screening programme. However, a proportion of participants will have more significant radiological abnormalities meriting referral to an ILD service for further evaluation and, if appropriate, pharmacotherapy. Although many studies have reported the diagnostic prevalence of ILA,