Working with the Health Care Team Ernest H. Rosenbaum, MD, Malin Dollinger, MD, Lenore Dollinger, RN, PhD, and Isadora Rosenbaum, MA After you've been diagnosed with cancer, you enter a world that is probably unfamiliar to you. The cancer treatment system is large and complex. Many different kinds of health care facilities and institutions are involved, and the system is populated by a bewildering array of professionals. You may feel like you are being processed, sent from one place to another for tests or other procedures for reasons you don't quite understand. And at every turn, you meet new people