Correct!
3. The chest radiograph shows focal consolidation

The chest radiograph shows focal consolidation at the right base, within the right lower lobe, obscuring the right diaphragmatic contour. Several somewhat tubular lucencies are evident within the focal right lower lobe opacity, and some mild volume loss is present. No lymphadenopathy is present, and left lung volume is normal. No evidence of interlobular septal thickening or significant reticulation is seen. No pleural abnormality is present, and no evidence of nodule formation, cavitary or otherwise, is present.


Which of the following represents the most appropriate differential diagnostic consideration for the chest radiographic pattern present? (Click on the correct answer to proceed to the third of eight pages)

  1. Bronchogenic malignancy
  2. Bronchopneumonia
  3. Eosinophilic granulomatosis with polyangiitis (Churg-Strauss disease)
  4. Langerhans cell histiocytosis
  5. Pulmonary alveolar proteinosis

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