I wish I knew that delayed diagnosis and misdiagnosis of a womens breast lump could kill her. I wish I knew it even exsisted. I wish I knew that this has killed thousands of women already and destroyed as many families. I did not know some were preventable! I will take this to my own grave for not knowing.  The greatest lesson I have learned is that it can be prevented,but you have to empower yourself to make sure it does not happen to you or someone you love. You have to make it happen. You have to take a terrifying life changing event and make a positive out of it for everyone else. So they can get help preventing these adverse events. My wife's death taught me there is importance to dying even when it is someone elses fault. We all can learn from it.