Question
A 35-year-old man complains of a cough and is sent for a CXR by his GP. This demonstrates a solitary cystic structure within the left lower lobe, measuring approximately 6 cm in diameter. The peripheral aspect of the cystic structure lies in contact with the chest wall and appears slightly flattened. Within this structure there appears to be a floating membrane. What is the most likely diagnosis?
| A. |
Aspergillosis |
| B. |
Coccidioidomycosis |
| C. |
Hydatid disease |
| D. |
Mycoplasma pneumoniae |
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