linear opacity

linear opacity

radiologically, a shadow that resembles a line; any opacity of approximately uniform thickness of up to 2 mm.
References in periodicals archive ?
Posterior-anterior lung roentgenogram showed linear opacity on the left lung [Figure 1].
This demonstrated a linear opacity extending from the oropharynx to the right thyroid ala.
On further evaluation, chest radiograph showed a linear opacity near the right hilum [Figure 2a].

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