Yes it can help. Aggravating factors can make neck pain and nerve problems worse. But obviously breast reduction will not cure or help the spinal stenosis. More weight though on a problem area does not help and contributes to symptoms and may decrease pain. I would ask your neurologist for their opinion on your xrays, if severe, they may state it may not help.By itself, without spinal stenosis, breast reduction surgery has a 95% improvement in upper neck pain. But I do not know of studies combined with spinal stenosis.The difficulty will be insurance coverage. Most companies require amounts to be resected and a D cup might not be large enough, even going to a B cup, depending on your current weight. Many use variations of the Schnur scare that require a certain amount of weight to be removed depending on your body BMI. It still can be done but then as a self pay outside of the hospital.