What is your approach to the work up and management of interstitial lung abnormalities?

ILA are incidental radiological findings (non-dependent abnormalities affecting more than 5% of any lung zone) in asymptomatic patients.

We first evaluate these patients for any potential causes of ILA (i.e. connective tissue diseases, aspiration, drug-related pulmonary toxicity, etc). If an underlying cause is identified, they are further evaluated and treated for the underlying cause.

In those without any identifiable cause, consistent with the guidelines, we stratify them into non-subpleural ...