Conversation so far:
How did Gregg Allman spend Gregg Allman's final years?
After the dissolution of the Allman Brothers, Allman kept busy performing music with his solo band.
Was he very sick during this time?
his health problems remained; he had atrial fibrillation, and though he kept it private, his liver cancer had returned.
How bad was his atrial fibrillation?
He attempted to keep a light schedule at the advice of doctors, who warned that too many performances might amplify his conditions.

Question: How bad was his liver cancer?
Self-contained rewrite: How bad was Gregg Allman's liver cancer?