Hi, I'm new and am hoping someone may be able to reassure me. I have breast cancer and have gone through 6 months of chemo and surgery, so am feeling generally battered. I thought I'd be on the home run, and need injections of herceptin for the next year. Unfortunately I was shocked to find that my left ventricle output has dropped significantly (LVEF) and am now on medication to try and recover it or my cancer treatment will be suspended. I can't believe I have fought so hard for 8 months and as a non smoking slim marathon runner I feel my body has let me down. I need herceptin and would appreciate advice if anyone has been in the same position. I am so tired of being scared. Thankyou.