Abdomen After Molt

My Blondi molted about a week ago, and despite some trouble getting her new long legs all the way out, she's well. The only problem I notcied was a large bump on the rear of her abdomen. Just think of a normal T abdomen, only when her's tapers of to the spinnerets it humps. I think it may have been from not enough humidity when she molted, because this was the last part of her to come off. She's eating fine, but seems lethargic. I'll try and get a pic up, but I just wanted to know if this should be any reason for concern.

Thanks,
Joshua