LOL, probably where my A&P lecture notes came from Not something terribly relevant to massage but the lecturer liked to go on tangents. He did tell us that he got heaps of info off the internet... Hope it is accurate anyway.

Danni - probably an umbilical hernia would be bigger than a pimple? I don't know as I've never seen one. How long has he had it? Has your GP or MCHN seen it? If so, they should've told you if it was a hernia.