Notably, Gas6 and sAxl were related to the extent of ILD at CT scan measured with the modified Kazerooni score; in fact, a significant negative correlation with the extent of fibrosis is evident both for Gas6 (r: -0.46, p < 0.03) and sAxl (r: -0.45, p < 0.03). The gene discussed is GAS6; the disease is interstitial lung disease.