Humanity has faced so many diseases and i fortunately cancer is one of the deadly diseases torturing people life today, this disease is very dangerous because it affects different parts of the body and it developed slowly. I'm happy that your wife finally got heal from cancer but I feel so sorry for your wife friend, her condition is so devastated and I believe she's not having good moments in life. I wish we can eradicate disease in this world, everyone would've live peacefully in this world. Stay safe.