A 70-year-old ex-coal worker presents with a history of a black productive cough and recurrent pneumonias.
A 70-year-old ex-coal worker presents with a history of a black productive cough and recurrent pneumonias. Chest x-ray reveals bilateral cavitating lesions as well as large coalescent pulmonary nodules. What is the most likely diagnosis?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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