Been there, done that. I would also suspect gas; excuse me for being blunt, but has she excreted alot of gas or had a movement? In any event, since it's four days after your post, I hope she is feeling better and I commend you, a man, a husband, for researching your wife's concerns! Not many out there like you and she is blessed! Best...... Elizabeth
You will get better information from the cyst forum, this is the cancer forum.