"Chronic cough and progressive dyspnoea 4 differentiate RB-ILD from RB. Inspiratory crackles are heard in up to half of patients. Clubbing is rare 1."
"Respiratory bronchiolitis interstitial lung disease (RB-ILD) is a clinical diagnosis. The CT features are indistinguishable from respiratory bronchiolitis (RB) and should be reported as such. According to some sources, the term RBILD is reserved for clinically symptomatic smokers with imaging/histological findings of RB 17."