Aspergilloma within a malignant pulmonary cavity.

The simultaneous appearance of both bronchogenic carcinoma and aspergilloma with the typical radiographic appearance of a mycetoma emphasizes the importance of consistent suspicion for malignancy in any pulmonary lesion. This is apparently the first reported case in which allergic phenomena (asthma-like symptoms and eosinophilia) are associated with an aspergilloma occurring within a cavitary bronchogenic carcinoma.