Disney World or Disney Land which has the most to see I have Terminal Cancer

My whole life my kids wanted to go to Disney since 30 years now. my daughter is in Italia, so she cant come. My 2 grandbabies out of 13 are here and able to go. My son would need to help me as I have lieomyosarcoma  which is a terminal cancer of the stomach lining.That would be a wish that would make everyone I have come true. Of course I wish for a cure but......