Ga68-FAPI-46 PET/CT for Preoperative Assessment of Peritoneal Carcinomatosis

Who May Qualify: - Histologically proven colorectal and ovarian cancer. - Known or suspected peritoneal metastases from the tumour of origin. - Scheduled for peritoneal complete cytoreductive surgery with curative intent with or without neoadjuvant chemotherapy. - ECOG (Eastern Cooperative Oncology Group) Performance status ≤2. - Signed written willing to sign a consent form obtained before any study-specific screening procedures. Who Should NOT Join This Trial: - Non-resectable extra-abdominal metastasis and/or \>3 hepatic metastases on standard work-up - Known chronic inflammatory conditions including the intestinal system (eg. inflammatory bowel disease, Crohn's disease) - Pregnant and lactating women - Previous or concurrent malignancy diagnosed within the last 3 years except adequately treated in situ carcinoma of the cervix uteri and basal or squamous cell skin cancer. - Subjects with another significant medical condition which, in the investigator's opinion, may interfere with the completion of the study. Always talk to your doctor about whether this trial is right for you.