@LMK74 look around and you will see lots of people who have cancer, It seems very unfair what has happened in your life, I believe by reaching out even to this forum is a brave step IT has taken me a year before I felt comfortable to post anything,
Not everybody has friends along the way .Sometimes people who could have treated me a whole lot better didnt
Give yourself a pat on the back for looking after your mother the way she wanted, Not everybody can cope you did,
Time to look after you You are important , Things may be hard but dont worry in my experience the doctors and breast care nurse go out of the way to make your journey easier, Best wishes