looks good...problem seems to be solved, now if it becomes a problem again i would suggest to tie the main stem to a side. either to the side of the pot, the floor, or the side of your grow hut...congrats too, looking healthy!
it does look kinda like a hermi to me a little bit, just cause in some pics it looks as if a pistel or 2 is poking out. the sack could also just be a little bulge at the base which isnt all that strange...i'd wait a couple days as well to tell for sure...
and as they said if anything if its...