[Vinnie's Mom]

I'm new to Yorkie Talk, my husband and I just got our baby Vinnie 3 days before christmas, we had him at the vet this past monday for his second and final puppy shots. Last night (thursday) my husband noticed a huge lump on his spine, equivalent to cutting golf ball in half and just setting it on his back. He's not in any pain and we gave him a bath to see if we noticed anything else and to get a true look at the size. We can touch it, and not to be gross but it's soft and squishy, definitely out of the ordinary though! It's up by his neck, definitely on his spine and i think about an inch away from where the doctor actually used the needle ( i think i found the exact spot, it's rough and further up on the neck) but even though he had shots 5 days ago now, would they cause a bump like that? it's huge and not red or irritated at all. Help...he's just a baby and mommy and daddy are worried!