27th February 2025

A 67-year-old ex-smoker presents to the emergency department with haemoptysis.

A 67-year-old ex-smoker presents to the emergency department with haemoptysis. His wife is also present and reports that she has noticed swelling of his hands to the point where he is no longer able to wear his wedding ring.

Later, during treatment for his underlying diagnosis, he undergoes radionuclide bone scanning, shown below.

What is the most likely diagnosis?

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