10th September 2020

A 75-year-old retired shipyard worker presents with progressive breathlessness

A 75-year-old retired shipyard worker presents with progressive breathlessness and dry cough to the respiratory clinic. On examination, he has finger clubbing and bibasal crackles on auscultation. A CT scan shows diffuse peribronchiolar fibrosis with particular prominence at the lung bases. No pleural lesions are noted. 

Which of the following is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.