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Consultant Clinical Oncologist at International Medical Center (IMC), Cairo, Egypt – from 2012 to now.
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Lecturer of Clinical Oncology at Clinical Oncology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt – from 2012 to now
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Consultant Oncologist at King Abdul Aziz Specialist Hospital (KAASH) in Taif, Kingdom of Saudi Arabia (KSA) – from 2016 to 2017
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Assistant Consultant of Medical Oncology at King Faisal Specialist Hospital and Research Center (KFSH&RC), Riyadh, KSA – from 2013 to 2014
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Fellow Researcher at Radiation Oncology Department, Washington University in St. Louis, Missouri, USA – from 2005 to 2007
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