The investigators designed this observational, retrospective, multicenter study including all patients who underwent surgery for non-colorectal liver metastases between January 2010 and December 2022, with the aim of establishing a series of recommendations for the treatment of liver metastases from various extrahepatic primary tumors
Study Type
OBSERVATIONAL
Enrollment
1,039
Overall Survival
Time from the date of liver resection for non-colorectal metastases to death from any cause. Survival will be assessed for up to 5 years postoperatively
Time frame: 5 years from liver resection
Progression-Free Survival
Time from the date of liver resection for non-colorectal metastases to the date of documented disease progression or death from any cause, whichever occurs first. Patients without progression or death will be censored at the last follow-up
Time frame: 5 years from surgery
Postoperative Morbidity Rate
Incidence of any postoperative complications occurring within 90 days after liver resection, including but not limited to infections, bleeding, bile leaks, and other surgical complications, classified according to standard criteria.
Time frame: 90 days from surgery
Postoperative Mortality Rate
Proportion of patients who die from any cause within 90 days following liver resection surgery.
Time frame: 90 days from surgery
Recurrence Pattern
Distribution and characterization of tumor recurrence (hepatic, extrahepatic, or both) after liver resection for non-colorectal metastases.
Time frame: Up to 5 years from liver resection
Length of hospital stay
Number of days from surgery to discharge following liver resection
Time frame: Perioperative/Periprocedural
R0 Resection Rate
Proportion of patients achieving complete microscopic liver tumor resection (R0) during liver resection
Time frame: At surgery
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