Figure 7b. CEP in a 29-year-old man with 27.5% peripheral and 30% BAL fluid eosinophilia. (a) Chest radiograph shows airspace consolidation confined mainly to the peripheral lung (photographic negative shadow of pulmonary edema). (b) Transverse thin-section (1-mm collimation) CT scan (lung windowing) also shows airspace consolidation primarily involving the peripheral lung.