I am so sorry for the loss of your sister so recently.Another lady on here lost her mum the day after her diagnosis.I hope that she may see your post and offer some strategies to help you cope.I had the same cancer diagnosis as you.I had a mastectomy and chemo and that was 12 months ago this month.I am now on tamoxifen and feel great. Just take it one day at a time.DONT worry about chemo.I was terrified of it and as I found out,there was no need to be so worried. Stay connected to this site,because the advice you will get on here is truly what will get you through this journey.Take care and try not to worry TOO MUCH. xoxRobyn