Update:
3 weeks in and we have "Partial remission" all the nodes minus one in his neck have shrunk to normal levels. Cody has no clue what is going on, he is happy, goofy and very annoying with his ball...HAHAHA. So far he has tolerated the treatments very well, no issues other then wanting to eat absolutely everything in sight. He has won over all the woman at the cancer centre, so when he visits he gets to hang out in the office with them before his treatments...lol
We are told that next weeks treatment is the one that aggressively attacks the cancer, and the one we will see any big side effects.
This is my boy: