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Figure 2c. Case 1. Initial transverse CT images. (a) Widespread hyperattenuating adenopathy. The largest lymph node (arrow) is in the subcarinal region. (Reprinted, with permission, from reference 11.) (b) There is also edema of mediastinal fat (arrowheads), (c) bilateral moderate-sized pleural effusions, bibasilar air-space disease, and (d) peribronchial thickening (arrows).