Mastectomy with negative lymph nodes

Hi guys I'm a week after having a left side mastectomy with clear lymph nodes ,they tested 2while I was under ,I had the blue dye ,removed 2both negative,I get results on weds ,starting to get very nervy about it ,wondering if any of you were the same and had chemo etc or were you ok?I have/had lobular multi focal,hope it's ok to ask this ,thank you x