ABSTRACT

For each description below, choose the single most appropriate answer from the above list of options. Each option may be used once, more than once, or not at all.

1 A 36-year-old lady had a laparoscopy for a persistent left-sided ovarian cyst. This was later converted to an open procedure. On the fourth postoperative day she complains of left-sided chest pain and fever. On chest examination she has bilateral equal air entry, with no added sounds. Abdominal examination is normal, and oxygen saturation is normal. What is the most appropriate investigation?