She has never been known as a kind person but she has never been openly unkind to me...so I was floored when my husband and I went to visit her today....we have visited at earlier times with good responses ....but today she looked at me ..called me by name and said "if I could I would choke you" and I said .."why would you do that?" And she said, "because I want to" and I said okay very stunned....I guess my question is...can a cancer patient say something from taking the strong painkillers? Or could it be a tell you now what I think about you while I can? It has upset me more than I can say!
Is this your husband's sister? Your brother's wife? Your husband's brother's wife? If your relationship has not been troubled in the past, and for the sake of the blood-relative in this relationship, I hope you can bring yourself to visit again. You may catch her in a less drugged state or in a different frame of mind and therefore have a more favorable memory of your last encounter with her.
I hope you can avoid taking this to heart. I'm sure that is difficult. But in all likelihood it was not intended for the real you by your real SIL. She is not herself these days.