My sister have a blood clot on her brain

My sister she’s from the Philippines and been a single mother of 7 children’, and she’s now in critical condition she have a blood clot on her brain and still in coma. And when she’s awake and her blood pressure is stable she need a surgery.And I don’t have all the money to help to pay  for her bills, so anything you can offer is really going to be helpful.And we truly appreciate.