Sargent E N, Felton J S, Barnes L T
Radiology. 1981 Sep;140(3):634. doi: 10.1148/radiology.140.3.7280226.
Visceral pleural involvement, seen as interlobar thickening and bilateral calcified plaques in the major interlobar fissures, was observed as a result of exposure to asbestos dust. This is in contrast to the parietal pleural involvement seen in most cases.