Has anyone who has had weekly paclitaxel had cysts appear in their good breast at the time a period would be due? I've been reassured mine will be due to menstrual cycle and chemo, but finding more lumps is very disconcerting to say the least! My boob feels tender and there are a few lumpy bits in there. I'm due on in a couple of days, but not actually expecting a period due to chemo.