Kind of changing the subject from the voidmatrix question, as I see they will proceed with an extraction.
But, supposing a person would wish to save that top piece, which is still green?
Is that possible / doable? Might that top piece be cut off from the 'bad' part so that it could be rooted?
"                                 Enjoy every sandwich." - Warren Zevon
                                             "No, they never did turn me into a toad."  - Pete (O Brother, Where Art Thou?)
                                 "Are you a time traveller?" "No, I think I'm more of a time prisoner." - Nadia Vulvokov (Russian Doll)