Immortality is technologically impossible but extended longevity should be a goal for anyone who doesn't want to die...... that is what my Earth Custodians Movement is about, willing to live longer without claiming the right to immortality because immortality is impossible and a hoax therefore. But one can prolong life and still be looking very human, 3D printing already makes bone and muscular tissues.
Cyborgs are not for our 3D dimension, and humans will have to find a way to send them where they come from: outer space. Or they will destroy our planet. The 2 dimensions are incompatible