16th January 2024

A 56-year-old former tile worker is found on chest x-ray to have multiple upper zone round opacities (5-8mm in size) with otherwise normal lung parenchyma.

A 56-year-old former tile worker is found on chest x-ray to have multiple upper zone round opacities (5-8mm in size) with otherwise normal lung parenchyma. What is the most likely diagnosis?

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