A 42-year-old overweight but otherwise healthy woman presents with sudden onset of right upper abdominal colicky pain 45 minutes after a meal of fried chicken. The pain is associated with nausea and vomiting, and any attempt to eat since has caused increased pain.

What can be the most likely cause? (Answer is posted in the comment section below!) *This case is from the Editorial team of Docplexus and is meant for educative purposes only.