Hi, Makem.
I'm sorry that the salvage treatment hasn't quite finished the job. You are bound to be feeling low and disappointed. All I can do is echo the sentiments of others and hope the the rogue cells are located and destroyed.
If putting things down in words helps you, please continue posting, you'll always get support here.
You're due a change of fortune. Hopefully the next phase of treatment will finally resolve the problem.
Good luck, mate. 👍