A 34-year-old woman presents with acute right lower quadrant pain, guarding and rebound tenderness, fever 38.8°C and leukocytosis. Pregnancy test is negative. What is the most appropriate next step?ADischarge with oral antibiotics and review in a weekBArrange urgent surgical assessment for suspected appendicitisCOrder abdominal ultrasound only and delay referralDTreat as irritable bowel syndromeEStart high-dose opioids and observe in clinicCheck my answer