Several predictive factors of AE-ILD development have been identified including sex being male, a vital capacity (VC) < 80%, lobectomy or pneumonectomy, previous history of AE, pre-operative steroid use, high levels of Krebs von den Lungen-6 (KL-6) and usual interstitial pneumonia (UIP) patterns in computed tomography (CT) scans [7,8]. The gene discussed is MUC1; the disease is idiopathic pulmonary fibrosis.