Dr. Atif Zaheer has a specialty focus on CT, MR, and US of the abdomen and pelvis. He is Professor of Radiology, Oncology and Medicine at The Johns Hopkins University School of Medicine in Baltimore, Maryland. Dr. Siva Raman is a board-certified radiologist who gained his subspecialty expertise in thoracoabdominal imaging during a fellowship at Stanford University, and intern residency at UC Davis Medical Center. He attended Johns Hopkins University Medical School. Dr. Raman is a radiologist at Bay Imaging Consultants in Walnut Creek, California, with a subspecialty focus on thoracoabdominal imaging