Your story is so similar to mine. My Hodgkin's treatment was 1978-79. I also have a miracle baby. Never ever had any idea my heart was so damaged until I sought a diagnosis and treatment for dyspnea beginning in 2016. After multiple tests and multiple doctors in various locations, I finally received a diagnosis of radiation induced heart disease at Mayo last October. Since then, there have been treatment options to determine. I had triple valve surgery May 18 and still hospitalized.