Assertion: asbestosis | /r/HasProperty | characterized by septal lines
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text: Asbestosis is characterized by the following radiographic changes: fine, irregular opacities in both lung fields (especially in the bases) and septal lines that progress to honeycombing and sometimes, in more severe disease, obscuration of the heart border and hemi-diaphragm - the so-called shaggy heart sign [Khan et al.