Fig. 1From: Serum MMP-9, SP-D, and VEGF levels reflect the severity of connective tissue disease-associated interstitial lung diseasesa–c Three levels of chest CT scores in a middle-aged female with RA-ILD. Her CT findings showed interstitial pneumonia dominated by fibrosis, reticulation (b) and honeycombing (c) are visible at the arrow marker. We calculated her chest CT score at 15; d–f this is a chest CT of an elderly male patient with AAV-ILD. His CT findings showed interstitial pneumonia dominated by ground glass opacity (e), and we calculated his chest CT score at 10Back to article page