A patient has had a recent lumpectomy and presents with a swelling at the scar site.

Give three potential causes for the swelling and provide a description of each. (6 marks)

The swelling is aspirated and colourless fluid obtained. What is the treatment of this condition? (1 mark)

Give three complications of treating this condition. (3 marks)

If yellow/green fluid is aspirated what investigation would you request and why? (2 marks)