Neuroendocrine pancreatic cancer, brain metastases

Hi does anyone know of any consultants in the northwest of England who deal with neuroendocrine cancer . we are looking for a private consultation get some clarity on my sister's diagnosis. she was previously diagnosed with neuroendocrine pancreatic cancer  and had a Whipple's procedure. this went well just over 12 months ago. she has recently been diagnosed with brain metastases but not getting any clear answers from doctors and what next steps are. ay help would be appreciated xxx