Expanding indications for laparoscopic parenchyma-sparing resection of posterosuperior liver segments in patients with colorectal metastases: comparison with open hepatectomy for immediate and long-term outcomes.

Laparoscopic parenchyma-sparing resection of PSS for CRLM are justified in majority of patients who have an indication for OLR if performed in high volume specialized centers expertized in laparoscopic liver surgery.