I'm glad you got professional help and that you're doing well.
There will be anxiety that pops up. Many of us struggle with this and have faith that will be able to lessen it and manage it much better.
As you continue your recovery, these books can help you to deal with your anxiety and panic:
Amen, Daniel Change Your Brain, Change Your Life
Anderson, Neil Victory Over the Darkness & Bondage Breaker
Bassett, Lucinda From Panic to Power
Burns, David MD When Panic Attacks
Chodron, Pema The Places That Scare You
Doidge, Norman MD The Brain That Changes Itself
Dyer, Wayne The Power of Intention and Change Your Thoughts, Change Your Life
Orsilla, Ken Mindful way Through Anxiety