This document discusses the emerging sub-specialty of oncoanesthesia. It notes that anesthesiology involves many sub-specialties and cancer patients have special medical needs. Oncoanesthesia draws upon multiple sub-specialties of anesthesiology due to the complex health issues of cancer patients and high-risk nature of cancer treatments and surgeries. The document outlines the various roles of anesthesiologists in cancer care, including management of complex airways, regional anesthesia, intensive care, pain management, and more. It also discusses the opportunities for training and research in oncoanesthesia.