A 55 year old woman presented with history of recurrent episodes of right upper abdominal pain for the last one year. She presented to emergency with history of jaundice and fever for 2 days. On examination, the patient appeared toxic and had a blood pressure of 100/60 mmHg. She was staed on intravenous antibiotics. Ultrasound of the abdomen showed presence of stones in the common bile duct. What would be the best treatment option for her -