- Histologically confirmed Upper GI malignancies (Cholangiocarcinoma/ duodenal carcinoma - collect MSI (microsatellite instability) status); Neuroendocrine tumours (inc. pancreatic, bronchial and intestinal carcinoid tumours) and Rare Gynaecological tumours (including but will not be limited to: vaginal or vulval carcinomas, clear cell carcinoma of the ovary, low grade serous ovarian cancer, mixed Mullarian tumours (carcinosarcoma), sarcomas of the female genital tract and granulosa cell tumours).