USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 65-year-old comes to the emergency department because of groin pain, nausea, and abdominal distention. Physical examination shows the presence of a palpable mass in her left groin that cannot be reduced. A CT of her lower abdomen and groin is shown below. Which of the following is the most likely diagnosis?