Patient went on to have a bronchoscopy. Results of bronchoscopy shown below:

Histology and additional laboratory studies

RUL sputum plug: Plug right upper lobe of lung: Mucous plug with eosinophilia and fungal hyphae, raising the possibility of asthma/allergic bronchopulmonary aspergillosis

Bronchial washings: Eosinophilia with fungal elements identified

Fungal Culture: Aspergillus fumigatus ISOLATED