Hearing about people's near-death experiences can be a comfort to those who are seriously or terminally ill. We suggest that you look around our site and others on the web and learn what resources are available to you.
One of the most common aftereffects for someone who has had an NDE is that they lose their fear of death.
A good book to read is Callanan, M. & Kelley, P. (1992). Final Gifts: Understanding the Special Awareness, Needs, and Communication of the Dying. New York: Bantam.
We also have a page NDEs in the Terminally Ill