To examine the feasibility of conducting liver surgery for oligometastatic disease from gastric or GEJ cancers.
A national prospective cohort study.
Offering treatment with potential to cure for participants with no such offer in today's standard treatment options, by offering metastatectomia and standard treatment with intention to cure i.e., neoadjuvant chemotherapy and gastrectomy for participants with gastric- og gastroeusofageal junction cancer. Including 20 participants from all 4 centres in Denmark able to perform the surgical procedures in question.
Endpoints: 2-year overall survival.