Hi MaryBeth, and welcome to WhatNext. Everyone ultimately has to make their own decision. But I see a lot of people try to talk themselves out of chemo because of all the horror stories they have heard. What you don't hear so much are the stories of people that took the chemo and went on about life like it wasn't affecting them.
My experience has been this. I had chemo and radiation 25 years ago, I was almost done with treatments that were scheduled, the doctor said I could quit and not take the last two because my nodes were back down in size and everything looked good.
6 months later the cancer was back and I had to go through another year of treatments, if it were my choice back then, I would have taken the extra two, then maybe I wouldn't have had it the second time. Who knows? If I was in your shoes, I would take it, but that's just me.
Wishing you the best!