[18F]F-FAPI PET/CT and LAparoscopy in STagIng Advanced Gastric Cancer - a Multicenter Prospective Study

The goal of this clinical trial is to learn if a new type of scan, FAPI-PET/CT, can help find metastases of gastric cancer. We want to know how well this scan works for this purpose and whether it is less burdensome for patients compared to the methods we currently use to find metastases.