At least the spot on his leg, not as big across as a pencil eraser. The others were huge mothers. Hopefully we can catch this early if it is something to worry about.
edited to add...
Vet already got back to me. He goes in next Thursday so they can aspirated it and see what's going on.
Trying to maintain the lesson I learned from Beeg. He doesn't worry about cancer coming back so I try not to. Gotta admit I'm worried about this.