<prompt> In a patient with gall stone disease, laproscopic cholecystectomy was performed specimen was sent to pathology lab. The biopsied tissue was repoed as adenocarcinoma Stage 1A . What will be your treatment approach?Extended cholecystectomyChemotherapyObservation follow upExtended cholecystectomy Extended Right hepatectomy  <response>: Treatment is observation follow up as lap cholecystectomy is already performed Staging Treatment for CA Gall bladder IA - T1a Laproscopic cholecystectomy IB - T1b IIA - T2a IIB - T2b IIIA - T3 IIIB - T1-3 N1 Extended cholecystectomy IVA - T4 N0-1 Extended cholecystectomyExtended R hepatectomy IVB - T any N any M2 PalliationChemotherapy 