Not the same as Eric Chang: LCCN n 2013185795

Adult CNS radiation oncology, 2018: title page (Eric L. Chang) verso (MD, FASTRO, Department of Radiation Oncology, Keck School of Medicine of USC, Norris Cancer Hospital, Los Angeles, CA)

Keck School of Medicine of USC web site, Nov. 13, 2019: Chang page (Eric Lin Chang, MD, chair and professor of radiation oncology, Radiation Oncology, Health Sciences Campus, Los Angeles; prior to joining USC Keck School of Medicine, Dr. Eric L. Chang was on the faculty as an attending radiation oncologist at the University of Texas M.D. Anderson Cancer Cener for over 12 years. He attended Harvard Medical School where he received his Doctorate in medicine) https://keck.usc.edu/faculty-search/eric-lin-chang/