Pseudomyxoma Survivor is a global charity (non-profit) which supports and advises patients with pseudomyxoma peritonei. It is registered with the Charity Commission for England and Wales as charity number 1143642 and provides specialist health care information and financial support to people affected by pseudomyxoma peritonei. The charity is listed by Macmillan Cancer Support as the primary support route for pseudomyxoma peritonei and is also recognised by the UK National Health Service and by Cancer Research UK as a useful source of information and support for their patients.