Laparoscopic cholecystectomy done in a patient with cholelithiasis. Pathology report shows adenocarcinoma with invasion of muscular layer. CT was normal. Further t/t is
HEPATIC RESECTION  (Indications)  

Parasitic and non-parasitic cysts.  
Benign and primary malignant tumours of the liver.   
Secondary tumour that involves by direct extension  like from carcinoma of gallbladder or limited  secondaries from carcinoma colon/carcinoids.
Trauma to liver.Removal of small portion of liver either within the  segment or traversing segments is called as wedge  resection of the liver.
Wait and regular follow up
Wedge hepatic resection with lymph node dissection
Excise all port sites
Radiotherapy