From: The feasibility of non-contrast enhanced plus contrast-enhanced computed tomography in discriminating invasive pure ground-glass opacity from pre-invasive pure ground-glass opacity
non-contrast
30s’scan
60s’scan
Pre-invasive
− 654.79 ± 68.85
− 638.76 ± 67.97
− 640.98 ± 62.17
invasive
− 538.23 ± 70.70
− 510.46 ± 78.33
− 502.23 ± 82.41
p
<0.001