Correct!
3. Enhanced chest CT shows multifocal ground-glass opacity
The CT pulmonary angiogram shows no evidence of acute or chronic thromboembolic disease, nor is pleural effusion present. No mosaic perfusion is present. Features of fibrotic lung disease are absent- there is no evidence of traction bronchiectasis or honeycombing. Multifocal bilateral ground-glass opacity is present, in some areas somewhat lobular appearing. A few centrilobular nodules are present. Mild mediastinal lymph node enlargement is visualized.
Empiric outpatient therapy with cefdinir (Omnicef) was initiated.
Based on available information this far, which of the following is the best working diagnosis? (Click on the correct answer to be directed to the fourth of 11 pages)