A count of board-certified cancer specialists in each of the Philippines' 17 regions from the national societies' membership lists: 348 medical oncologists and 99 radiation oncologists for almost 110 million people, concentrated in Metro Manila.
The authors took the regional area of practice of members of the national societies of medical, radiation, surgical and gynaecological oncology and of hospice and palliative medicine from their official websites and compared it with the regional census.
Where a patient lives decides how far they travel for radiotherapy or palliative care, which is part of why treatment waits and abandonment are concerns in Philippine cancer care.
Every source this page cites, grouped by who published it. Grouping is read from the web address, not assigned by hand.
A source that has moved or gone is reported by the weekly link check. /audit/