Minimally Invasive Versus Open Liver Resection for Patients With Colorectal Cancer Liver Metastases

Minimally Invasive(Laparoscopic and Robotic) Versus Open Liver Resection for Patients With Colorectal Cancer Liver Metastases

To examine survival of patients who underwent minimally invasive versus open liver resection for colorectal cancer with liver metastases.

the minimally invasive procedure contain laparoscopic or robotic surgery

Inclusion Criteria:

• patients were diagnosed with colorectal cancer liver metastases
• without extra-hepatic liver metastases
• age were within 18-75 yeas
• the numbers of metastases more than 3
• the maximal tumor size of liver metastases more than 10 cm

Exclusion Criteria:

• liver metastases were unresectable.