It was reviewed in the Orphanet Journal of Rare Diseases. The review distinguishes it from other eosinophilic diseases with pulmonary manifestations. A couple of points are of particular interest. Chronic eosinophilic pneumonia responds dramatically well to corticosteroids. Its characteristic chest radiographic pattern (the “photographic negative” of pulmonary edema), though not entirely sensitive or specific, may at times enable a “look see” diagnosis (making it potential fodder for board exams).