MrsJ's Son Has Medical Power of Attorney for Her and Has

Mrs.J's son has medical power of attorney for her and has arrived at her bedside to discuss care options with her.Mrs.J has just been dialyzed,has not received any pain medication,and is rational in her decision making.Mrs.J's son decides that she should not receive any more dialysis treatments due to the acute stage of her illness,the discomfort that she has suffered,and her inability to care for herself.Mrs.J disagrees.Whose decision should be followed?

A) Mrs. J's son
B) Mrs. J
C) Both, and the hospital's ethics committee should convene and decide
D) Neither, this is a legal decision and should be done by a court of law