A 45 year old female presents with symptoms of acute Cholecystitis.On USG there is a solitary gallstone of size 1.5 cm.Symptoms are controlled with medical management.Which of the following is the next most appropriate step in the management of this patient?

• A. IV Antibiotics
• B. Regular follow up
• C. Open chleycystectomy immediately
• D. Laproscopy cholecystectomy immediately