Original sentence: In the first phase of the treatment a 58% overdose occurred, and the CNS of Lisa Norris suffered a dose of 55.5 Gy.The second phase of the treatment was abandoned on medical advice, after having lived for some time after the overdose Lisa Norris passed away
Edited sentence: Sadly in the first phase of the treatment a 58% overdose occurred, and the CNS of Lisa Norris suffered a dose of 55.5 Gy.The second phase of the treatment was abandoned on medical advice, after having lived for some time after the overdose sadly Lisa Norris passed away