10th January 2024

A 50-year-old woman presents to clinic.

A 50-year-old woman presents to clinic. She has had dyspnoea for the last few weeks but managed to walk to clinic. She had a chest x-ray, which shows a large right-sided pleural effusion with tracheal deviation to the right.

What is the next most appropriate investigation?

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