This study was approved by the Institute Review Board (IRB) of Chang Gung Memorial Hospital, Linkou Branch (IRB 201801969B0). The clinic-pathological data were retrieved from the cancer registry database from the Cancer Center of Chang Gung Memorial Hospital, Linkou branch. Of the 92 HCC patients with partial hepatectomies enrolled, all patients had curative hepatectomy and those with different cancers were excluded. HCC tumor tissue and normal tissue, 3 cm from the tumor margin, were stored immediately in a -80 degree freezer at the Central Biobank of Chang Gung Memorial Hospital. The personal information was protected with decoding and registered with number.
The clinic-pathological data were retrieved from the cancer registry database from the Cancer Center of Chang Gung Memorial Hospital, Linkou branch. Of the 92 HCC patients with partial hepatectomies enrolled. The biological specimen was studied with approval.