Unfortunately his recovery didn’t go smoothly. His ear got infected, which popped the stitches open. He was also shaking his head a lot which wasn’t helping things. Don’t worry, his ear is still there. They just pinned it to the top of his head so that shaking his head wouldn’t disturb it, and put him on antibiotics:
On the plus side, the biopsy of the additional tissue they removed showed no traces of the cancerous cells, so we now know that we got everything!