Selection criteria for minimally invasive resection of intrahepatic cholangiocarcinoma-a word of caution: a propensity score matched analysis using the national cancer database.

MILR vs. OLR is associated with worse lymphadenectomy and survival in patients with ICC greater than 4 cm requiring major hepatectomy. Hence, MILR major hepatectomy for ICC should only be approached selectively and if surgeons are able to perform an appropriate lymphadenectomy.